OpenTechnical

OT-2026-000017017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000017017) never changes.

Identity and time

Publication numberOT-2026-000017017 · never reused
Internal UUID01a0ae6e-591b-785a-8c48-d3c18ce8baba · 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-2026-000017017
StatusPUBLIC

Content hashes

Canonical text6ca92a09e39dd0a24167cd05abf5b9f40a53304f0fc26bc9b8b1ba2d1465b827
Markdownc062468ef46becd45b08d43f1f09e2ac25f49d9662c390eee297ec65fbb70f0b
PDF
Publication page70d0e12c2a5efed52729f9e5e6e6118be45ff345ce9cc6fefff35073346af41a
Manifest1a1cff5ca9bc055d320b8df26ac00e51fd791092815305b567c987606936f4a5

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
SignatureQWW5n3H4AVw5RLdaFb2Ko2bV9acJN3SficowP4seIavOodfP3t0txDutf31HdDyMi0/ijBURXqJLHo62hsNrDQ==
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

2026-09-17T12:03:25.553804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017017
observed 70d0e12c2a5efed52729f9e5e6e6118b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.536904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017017/manifest.json
observed 1a1cff5ca9bc055d320b8df26ac00e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.522111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017017/publication.md
observed c062468ef46becd45b08d43f1f09e2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.505944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017017/publication.txt
observed 6ca92a09e39dd0a24167cd05abf5b9f4...
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.