OpenTechnical

OT-2026-000083260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000083260) never changes.

Identity and time

Publication numberOT-2026-000083260 · never reused
Internal UUID01a0ae97-c963-7490-b937-5b19c8571814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083260
StatusPUBLIC

Content hashes

Canonical text14490536cf97a55413ee00eb4bc0ae556baa10ad053aa6977b4c53e12df394c6
Markdown01b2f98a537383d8c7dea3f57b9ac113e913a77d1590beeb104cf499d321e578
PDF
Publication page0fb13718e9b7bdce910abccc692c6c5a5fa26c1b942dac5c05b9a515783d4953
Manifest3798bfa55392d324d571808bdf05c024712052658d1e6809733e93fcdf082623

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
SignatureIe2v4hweHdvjSDgbb8Xat5J0Ee+9f4GH6Nw5XfaS3QD1KU+rB7OgzcuitE2sHwve937YIt+2BbySMKH8vHyMDA==
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

2026-09-17T09:01:19.639582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083260
observed 0fb13718e9b7bdce910abccc692c6c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.620656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083260/manifest.json
observed 3798bfa55392d324d571808bdf05c024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.599630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083260/publication.md
observed 01b2f98a537383d8c7dea3f57b9ac113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.581304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083260/publication.txt
observed 14490536cf97a55413ee00eb4bc0ae55...
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.