OpenTechnical

OT-2026-000016871

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000016871) never changes.

Identity and time

Publication numberOT-2026-000016871 · never reused
Internal UUID01a0ae6e-5919-724b-875a-fbf09a992a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016871
StatusPUBLIC

Content hashes

Canonical text7212266e883ad9c1f22f732a492dcbcf64685ca83da1d1528a9432cd211bd2df
Markdown4858d117bcf6f116db2a1a6709d406cb3faed5b9992f15570a254652fb29503d
PDF
Publication page499cc46e1a7ca550c2a591095ba944dd3d3dac191fddea889d450347d3d13d9f
Manifeste791f272620482b9dab53588a840550aa73c953785c145eb0e53ab0ced2c4022

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
SignatureF0otDMIlsOfkksgsODNcKmabyD5iMn0ibBxuXGgLQ7/Y+kAmYuUSng3+Pyjp7t4ol8JN9hbzCKY2qHWQN4DtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:08.447239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016871
observed 499cc46e1a7ca550c2a591095ba944dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.430478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016871/manifest.json
observed e791f272620482b9dab53588a840550a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.413199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016871/publication.md
observed 4858d117bcf6f116db2a1a6709d406cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.396554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016871/publication.txt
observed 7212266e883ad9c1f22f732a492dcbcf...
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.