OpenTechnical

OT-2026-000071122

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071122) never changes.

Identity and time

Publication numberOT-2026-000071122 · never reused
Internal UUID01a0ae91-e0eb-792a-8dc4-51912534066f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071122
StatusPUBLIC

Content hashes

Canonical text25b5bc49d383fa8648ef505eba0429d8e4d36f2704ac1931bbf2389727c26dfa
Markdown81f0c61cea5815f65548631c465deefa1735f6844d0a016e77bcfacd4e0e2123
PDF
Publication paged36535af4146c05313256d527bf3da3776c8c7502c1e852a4f2debedeb13c023
Manifest9253a8a66954d09ea1d4ec20e7b7c58a714d62e8969a1d35825dcd5853454039

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
SignatureUfQojX/1nmhK2mtXJQZ0WU/sNn/s+n3AbJMdlpG361pB6p5sieLcUvWyFdVspoJpPMXGb37ogga4OezffPSLCg==
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

2026-09-17T10:24:37.030206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071122
observed d36535af4146c05313256d527bf3da37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.012804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071122/manifest.json
observed 9253a8a66954d09ea1d4ec20e7b7c58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.996330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071122/publication.md
observed 81f0c61cea5815f65548631c465deefa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.978953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071122/publication.txt
observed 25b5bc49d383fa8648ef505eba0429d8...
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.