OpenTechnical

OT-2026-000017738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000017738) never changes.

Identity and time

Publication numberOT-2026-000017738 · never reused
Internal UUID01a0ae6e-96fa-70c5-ad0e-0cfccf8129e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017738
StatusPUBLIC

Content hashes

Canonical text1fe2a43612064664f9c19f6cf1445fa91db41e698e856f3c4fc8e645b3ff0705
Markdown4fbc11af1f6dc6454899989ce46fbdb40c15d51dfbfef55e40d4750f67cdeb15
PDF
Publication page44ba016251e0b10afe68195ccb0566b6d1e30c125d4b09bb2261dd68bf9c2155
Manifest3b84e7c231bc4a8e41b47fef76691fefbcc3f0bde6e3f8cd973eae7b880a23ed

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQBIraUqjitG+WvI1AQXwOyqVfJuOnMDDGvWlTDOaFtcZ6jVOLMsqF/5VVPGfRY9NwZVzMX/b6lCOB5AEMDMgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:41.426268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017738
observed 44ba016251e0b10afe68195ccb0566b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.411795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017738/manifest.json
observed 3b84e7c231bc4a8e41b47fef76691fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.395611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017738/publication.md
observed 4fbc11af1f6dc6454899989ce46fbdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.377945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017738/publication.txt
observed 1fe2a43612064664f9c19f6cf1445fa9...
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 archivePending 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 packagePending Custody packages are produced weekly.