OT-2026-000091520
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down
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-2026-000091520) never changes.
Identity and time
| Publication number | OT-2026-000091520 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16e-7ff7-ba76-5bdcca964d33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091520 |
| Status | PUBLIC |
Content hashes
| Canonical text | ac489d6c26370bdd5a77db627a2cd6e2209c5b1c345f6435a670388cffdb7a68 |
|---|---|
| Markdown | 5dff9c45aa5797499a427c9c226b37aba12c984edf7cb69ae63dfa2ed2f7c657 |
| Publication page | aa7c2db1a78b28f90015b802b5f080382ccd58da6007a2ef0a05cb7464492615 |
| Manifest | 23be70a5714bb75fb52f788036f0565f5bcf598b27e02a4f1d032428f3b2ad3d |
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 | v71yWQeu1ZQzzUKpa21iPSjmNpGQoPcGiZuAsSR+NY1pGiFRn/NzU/lxU6FmZXTrRHrA4V7fbv1j+jRb7fQpBQ== |
| 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
| 2026-10-25T20:41:24.469069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520observed aa7c2db1a78b28f90015b802b5f08038...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T20:41:24.366043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/manifest.jsonobserved 23be70a5714bb75fb52f788036f0565f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:24.298188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/publication.mdobserved 5dff9c45aa5797499a427c9c226b37ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:24.191457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/publication.txtobserved ac489d6c26370bdd5a77db627a2cd6e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:22.796778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520observed aa7c2db1a78b28f90015b802b5f08038...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:22.747740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/manifest.jsonobserved 23be70a5714bb75fb52f788036f0565f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:22.694808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/publication.mdobserved 5dff9c45aa5797499a427c9c226b37ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:22.641762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091520/publication.txtobserved ac489d6c26370bdd5a77db627a2cd6e2...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 |
|---|