OpenTechnical

OT-2026-000084177

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000084177) never changes.

Identity and time

Publication numberOT-2026-000084177 · never reused
Internal UUID01a0ae98-5b5f-7395-b632-f722ef4d4ad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084177
StatusPUBLIC

Content hashes

Canonical text32e3dcadedc7ccce942f1630351610552ea5f24006d095d34b537c3c8d7404a3
Markdown8e46da33d0988aebf47304dc560e064eeb90474bed38ad8878422caca1109031
PDF
Publication page93370c5cabbd9903d2b760c0888a3e74de3e10d06d37fc24089a538dec6a6322
Manifeste2f38f0acb8a4fe1c5f2b50a29c02de93e9e1a0f0c2e5aee58c4e8e601f47b04

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
SignatureJlMw5BII7TSaZg1f7g8rRsyStFG5BzUezsMPA3/BKnEvt+CqEOZWiA2p5w4BnJiKVeuy7RaU6V+dcjt+sE/jCg==
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

2026-09-17T09:55:57.263343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084177
observed 93370c5cabbd9903d2b760c0888a3e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.245919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084177/manifest.json
observed e2f38f0acb8a4fe1c5f2b50a29c02de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.228781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084177/publication.md
observed 8e46da33d0988aebf47304dc560e064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.212443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084177/publication.txt
observed 32e3dcadedc7ccce942f163035161055...
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.