OpenTechnical

OT-2026-000083183

Publication integrity record

Two cup vacuum gripper, two 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-2026-000083183) never changes.

Identity and time

Publication numberOT-2026-000083183 · never reused
Internal UUID01a0ae97-c963-7eae-89af-bfdcbfcc8d26 · 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-2026-000083183
StatusPUBLIC

Content hashes

Canonical textc81a45bfdbabad7218197dd4c97e79710859cbb2f3be00f2268f0269463508b6
Markdown392c57510562c9d5ce5bf95e0228da80d8dcd6ca4155b4df38d8d2bdd3f252c7
PDF
Publication pagecaedd294ed5fe0011d9eb85e53c0a5558c99406554dcc6810d04247ac08dcec4
Manifest3ebeb36bad313f4d3df8d8cd7ed820551ca032011756fb8eeb478f3e4c0cee9b

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
Signature2f6Z8jioxPEPby+scRzAtuCzf7Qv3iSI3op3nnMRCuMO0whz46t1TKxvs24WYxJG82k7vhYDWSIfOZSbwYsDBQ==
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

2026-09-17T09:00:59.660715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083183
observed caedd294ed5fe0011d9eb85e53c0a555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.640925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083183/manifest.json
observed 3ebeb36bad313f4d3df8d8cd7ed82055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.622584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083183/publication.md
observed 392c57510562c9d5ce5bf95e0228da80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.605849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083183/publication.txt
observed c81a45bfdbabad7218197dd4c97e7971...
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.