OpenTechnical

OT-2026-000080553

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000080553) never changes.

Identity and time

Publication numberOT-2026-000080553 · never reused
Internal UUID01a0ae96-7e79-74da-8ebd-7bc84315c3c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080553
StatusPUBLIC

Content hashes

Canonical text3203ceae230c3903c210bc0f65bfc76245689294a5eab0c2aa39571e258afe44
Markdown532a1f43ec582969508588d88d5167c0c286d5c22f45bf0a0be14bfc50c78eb4
PDF
Publication page6375670f19b43a9e029dd112237a3cbd3599ca6eef06fa9e1a0cb813cf16b3cf
Manifest99d422ef93b4fc2d0a50a4310317d3d7f18f6b7bf2d8f82a2c55bee4925711c7

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
Signature17AS30wo0atliA/ymPuMyXCvZclRegtZ8PNT0tos3oUDCOC8BXW9b2mUxQSMg63TGu1gQvNYJJ8W2SQ/8bjkDw==
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

2026-09-17T10:03:10.927619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080553
observed 6375670f19b43a9e029dd112237a3cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.909888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080553/manifest.json
observed 99d422ef93b4fc2d0a50a4310317d3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.891429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080553/publication.md
observed 532a1f43ec582969508588d88d5167c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.873602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080553/publication.txt
observed 3203ceae230c3903c210bc0f65bfc762...
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.