OpenTechnical

OT-2026-000010076

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000010076) never changes.

Identity and time

Publication numberOT-2026-000010076 · never reused
Internal UUID01a0ae6b-cb7a-7469-9c57-a94cea643de7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010076
StatusPUBLIC

Content hashes

Canonical text598ba17fa0c00315eeefbef7ce6e1652b8ab14151434466f4e8dfa43b039b202
Markdown2cfbbc4a1fb7f20df67391d02dec79a0b3d51d3271d989293f978ed4134d4751
PDF
Publication page2d5fd2fa16e41463ef0915382e22d9a34edd84177d2c1979efe75caf03f52af3
Manifest7e953cde541f8cb72f9609b0d9d20dd5747481ff2dde2ad9717e2ac255b1d784

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
Signature9ZFS2dI8R7zkPr0I0dp6EbVRTZYI2BYHnjkw/4017N7IsUbq6Kti4W4JWbnudL7bmiMvIYn63siiObr6YrOOAQ==
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

2026-09-17T12:16:09.253409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010076
observed 2d5fd2fa16e41463ef0915382e22d9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.231912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010076/manifest.json
observed 7e953cde541f8cb72f9609b0d9d20dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.209468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010076/publication.md
observed 2cfbbc4a1fb7f20df67391d02dec79a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.187819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010076/publication.txt
observed 598ba17fa0c00315eeefbef7ce6e1652...
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.