OT-2026-000028008
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000028008) never changes.
Identity and time
| Publication number | OT-2026-000028008 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7c19-a591-521218ad9c29 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028008 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8dd0f2d4742850a37d6d525f468aaf61871f678fa591a7a7cb57613b18b7664c |
|---|---|
| Markdown | e3bfe85c4c12dfda5a7906a7bff9e2221e6c34c7f21f677a0184f1835865baa3 |
| Publication page | 4ccf13f1eb2ffa84f5715b335b538c2b12707938b7cc24ca5cde532e0af637b5 |
| Manifest | 70790d15c351d32661199cf33f4e01c7fb4fa260dd92799c556bd123d8536e1d |
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 | yhnvpwlosh5b2q8hdaNSMTFiSBoC0PwgL6DHKc3OftzjCo+Bmk/Lk7GooBKvlfRpQSCHWDhqOPAkTcEp9J0SCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:19.851931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028008observed 4ccf13f1eb2ffa84f5715b335b538c2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:19.834793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028008/manifest.jsonobserved 70790d15c351d32661199cf33f4e01c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:19.818022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028008/publication.mdobserved e3bfe85c4c12dfda5a7906a7bff9e222...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:19.795777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028008/publication.txtobserved 8dd0f2d4742850a37d6d525f468aaf61...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|