OpenTechnical

OT-2026-000086562

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000086562) never changes.

Identity and time

Publication numberOT-2026-000086562 · never reused
Internal UUID01a0ae9a-2c98-7f0b-bad8-a62c4884725a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086562
StatusPUBLIC

Content hashes

Canonical text8eb828cbb3498238bc8f5320b2f116d1a0527baa11f92332740f91b7a6eabb98
Markdown84237922c1d93e1d77802cb1a4c7c6f8b50f8f04644d12935598cccaee1aec7d
PDF
Publication pageed56b9db8a69acb24d8509cb0318ca1dbacbf6c419abc4b91f824096f5efbf54
Manifestb3bf9ac76f620cab0d286246bc8bf59a6ec115a1347f9c3460e21c41259cede8

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
SignaturelzsACkUFkHQvCBOMfK159tbUcg6IHkvYDPsfn+xWlIO9FywSulgp70Bi2lK0KSWBGFMzDS06dLsQpi71CGMRBg==
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

2026-09-17T09:52:23.322562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086562
observed ed56b9db8a69acb24d8509cb0318ca1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.304180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086562/manifest.json
observed b3bf9ac76f620cab0d286246bc8bf59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.286546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086562/publication.md
observed 84237922c1d93e1d77802cb1a4c7c6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.268224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086562/publication.txt
observed 8eb828cbb3498238bc8f5320b2f116d1...
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.