OT-2026-000064294
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000064294) never changes.
Identity and time
| Publication number | OT-2026-000064294 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-a460-77c0-b2da-a362933e1d7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:33.392114Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064294 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e5104836fb0702eab68b2fbfd9f8270972aa38db33b261807e9c91b56a20a95 |
|---|---|
| Markdown | 9b581fc0857a15aa22ca8b078bbf5ffc4e0f9e9e46367f3d1d8a4e8bc341b315 |
| Publication page | 526650f76f9ecb8225aae284d00edcc1265d7c9e74bbe4519ef5405937310226 |
| Manifest | ef45d9b5b5679b87d71b63651bacf5d25fb62401c0214379df0bc2ebb257bbf7 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Nc2csFkai+ejYC1J4f1PUiGkZyDOzWPAKiKB0ihDvNbcJ4krCLDRg3pdhiBt45WpexQwwf6riDgQrbam3ZV0Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-15T00:41:31.327593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294observed 526650f76f9ecb8225aae284d00edcc1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T00:41:31.279167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/manifest.jsonobserved ef45d9b5b5679b87d71b63651bacf5d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:31.180560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/publication.mdobserved 9b581fc0857a15aa22ca8b078bbf5ffc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:31.030162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/publication.txtobserved 7e5104836fb0702eab68b2fbfd9f8270...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:36.427476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294observed 526650f76f9ecb8225aae284d00edcc1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:36.299856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/manifest.jsonobserved ef45d9b5b5679b87d71b63651bacf5d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:36.124803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/publication.mdobserved 9b581fc0857a15aa22ca8b078bbf5ffc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:35.790552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064294/publication.txtobserved 7e5104836fb0702eab68b2fbfd9f8270...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|