OT-2026-000021587
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000021587) never changes.
Identity and time
| Publication number | OT-2026-000021587 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7bbd-a133-9f73e2434f4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021587 |
| Status | PUBLIC |
Content hashes
| Canonical text | de00465582610db04b00c015307a7b59c0b311505e49e6f0f4e2235fdbcabdcb |
|---|---|
| Markdown | e8c8aa1036e7ac0a1fe263ae15b65ca6cba76ac91fd5ffb9f5b6c28e309fc5d7 |
| Publication page | 31622fd38022a1f0395f3ba3874b83f89451ce26b045ec7669dc4f667599d013 |
| Manifest | 5cb30f1b6a9bfe7b5b3bf0ea1f82ef55f5d7ab3d110a45d61e549d1dbba65ba0 |
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 | q2JCiOUYOaGfZjvMBqxKB1+4qTPEmYNbWOLH88WA6/6h5uI9azLEBidNtSgujrHKwsWF6BmqvRLVnUr4C0W3Bw== |
| 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
| 2026-09-17T11:55:30.669566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021587observed 31622fd38022a1f0395f3ba3874b83f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.648915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021587/manifest.jsonobserved 5cb30f1b6a9bfe7b5b3bf0ea1f82ef55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.631921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021587/publication.mdobserved e8c8aa1036e7ac0a1fe263ae15b65ca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.612535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021587/publication.txtobserved de00465582610db04b00c015307a7b59...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. |
|---|