OT-2026-000052978
Publication integrity record
Foam pad vacuum gripper, pump fed, vented 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-2026-000052978) never changes.
Identity and time
| Publication number | OT-2026-000052978 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7eda-8f5c-b6fd65f5d4cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052978 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad9c4f6a17150a6c0b02b76e4681aa7ff5bb6078ddc7beb80f9be7e2ffd6559f |
|---|---|
| Markdown | c2db5ed6577eccd7969169f9cd761a2839ee415972ac0fe02c7b351fcb695e49 |
| Publication page | fbe2167644d9c6024317e50bddadf7f0a6505a008e2d49c3d1149bc795b5bd07 |
| Manifest | 1be75b9c45b6d47706aa92f3cd9ba5cfeb65d04972f99a3f1dc92e5a4703bd56 |
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 | MfGrOfpDzljWv6WBg04LvjvI6wc6NTWm1WoXMmMY6IUrxjaL4PJJbaQgGD9VeUpwxiBKl7AO7QQF/8qcV+8pCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:39.987337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052978observed fbe2167644d9c6024317e50bddadf7f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:39.969321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052978/manifest.jsonobserved 1be75b9c45b6d47706aa92f3cd9ba5cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.949427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052978/publication.mdobserved c2db5ed6577eccd7969169f9cd761a28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.932452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052978/publication.txtobserved ad9c4f6a17150a6c0b02b76e4681aa7f...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. |
|---|