OpenTechnical

OT-2026-000054687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054687) never changes.

Identity and time

Publication numberOT-2026-000054687 · never reused
Internal UUID01a0ae86-1284-7f89-ac21-a29b575441f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054687
StatusPUBLIC

Content hashes

Canonical text14fa4ccf35df708a77607ce72c2a865576bbcc181ba7e54cfdf4d8444b283231
Markdownaee883670fe79b8f45966e23c0ee83e654017fbcf13b798b6ae7c7a4a918b0cc
PDF
Publication pagedc13c883718a45dddc044279f930635e63914828942a8251e57637674e83d86d
Manifestb6ba56e79e359b6bb5ade8d1a58dd69c00e9ae7c8579da2bce9636cf60100e3e

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
Signatureq2UnOd9OhrBQIkKI3achVD4A4+jDf6HgKOXFVH/PGX5kLNwWqIfHBRVOtBPMnn1wKNNos24/AZYk/+F/DTKmBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:46.286983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054687
observed dc13c883718a45dddc044279f930635e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.267806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054687/manifest.json
observed b6ba56e79e359b6bb5ade8d1a58dd69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.247501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054687/publication.md
observed aee883670fe79b8f45966e23c0ee83e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.224585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054687/publication.txt
observed 14fa4ccf35df708a77607ce72c2a8655...
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.