OpenTechnical

OT-2026-000060981

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000060981) never changes.

Identity and time

Publication numberOT-2026-000060981 · never reused
Internal UUID01a0ae8b-12f3-7e0c-8171-48333913a80f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060981
StatusPUBLIC

Content hashes

Canonical text6f40249329f68a4fc50ca6e357e1200ff07855d939a51bc2edb9029507d0325e
Markdownc18ea81e6e02a36b6f5c2d491caab9f640dc485bca72b4a993f39b043ac74564
PDF
Publication page859686423e4fbb43f0f9071878b4871d72017d6ad4fb64a290931137fd66f577
Manifest73e6da544c836ae580a57a650d88b8dcdee6a4885e1b595cfbaa5cc977705b93

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
SignatureVTQQADbwFBEKpidJLz9eTj46l4WN11T+SO9E/JNeMB4wsPeV9o7NS1G+Ha++a7bsnIeiHGv81BPvJ5ay1bjTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:15.939680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060981
observed 859686423e4fbb43f0f9071878b4871d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.920651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060981/manifest.json
observed 73e6da544c836ae580a57a650d88b8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.902652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060981/publication.md
observed c18ea81e6e02a36b6f5c2d491caab9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.884835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060981/publication.txt
observed 6f40249329f68a4fc50ca6e357e1200f...
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.