OpenTechnical

OT-2026-000083637

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000083637) never changes.

Identity and time

Publication numberOT-2026-000083637 · never reused
Internal UUID01a0ae98-0416-78b8-b2f8-b7a7d392ccd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083637
StatusPUBLIC

Content hashes

Canonical text2084c6dfa56d9e5f52307bc422c01def2f5b460c2595d279362ed5f518917e87
Markdownedbb7e068559d7c5fd65c7a3a0d7761b4385ef17c0045791a1f1d0320bdccc9b
PDF
Publication page94ad417275fb05b7c3c27cc56191a316d580c696af80399b24354bf9928dceba
Manifest10d91fe31946f32f3a4debd68924ba6f746d9ffb7df5b2180115cb3c21eb953e

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
SignatureXG3LpmidDacNZblOuxAKDBp0jKtSuuN/zzHMHRdRpwkIuvmQVwMdxRRRdK8+xYdNmIp0VhZlrMkNTqKocp9iCw==
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

2026-09-17T09:57:15.087165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083637
observed 94ad417275fb05b7c3c27cc56191a316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.070676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083637/manifest.json
observed 10d91fe31946f32f3a4debd68924ba6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.053689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083637/publication.md
observed edbb7e068559d7c5fd65c7a3a0d7761b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.036804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083637/publication.txt
observed 2084c6dfa56d9e5f52307bc422c01def...
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.