OpenTechnical

OT-2026-000071477

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000071477) never changes.

Identity and time

Publication numberOT-2026-000071477 · never reused
Internal UUID01a0ae91-e0ed-7f5e-b413-bf86d683b849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071477
StatusPUBLIC

Content hashes

Canonical textab8911baf875632dc0781b46779aecf1589a10f2b4822496ba13e87754706ccb
Markdown72d4526f303a9d0b68cbc94206bd6f125accacb788ce2c313a03baa7182bb9ab
PDF
Publication page44a11a708fe4516505091c48a5bf4372154b1107885a021285bd70de48cf0ab0
Manifest609cb56179f1e0ffbc9554f8f3af5877338c254de666aacf1e87cb1b37350b23

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
SignaturefOQukveB9vXB2kjR7OXA1m+YJeV76FnHUIBFp2PI1uAoytGgG7r73ZW8J3CQ1LBkFj24rHWA/tCMtWlBHCy6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:07.151405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071477
observed 44a11a708fe4516505091c48a5bf4372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.132376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071477/manifest.json
observed 609cb56179f1e0ffbc9554f8f3af5877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.111719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071477/publication.md
observed 72d4526f303a9d0b68cbc94206bd6f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.092593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071477/publication.txt
observed ab8911baf875632dc0781b46779aecf1...
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.