OpenTechnical

OT-2026-000009254

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, vented 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-2026-000009254) never changes.

Identity and time

Publication numberOT-2026-000009254 · never reused
Internal UUID01a0ae6b-31b9-7007-a894-fba7f4d6e73b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009254
StatusPUBLIC

Content hashes

Canonical textdb98422d014044149ab584ffcb44e8fee01cfe80a8153be23b9254d6d560acf5
Markdown90aeebf46d6fda3562327b03bdd1b71b7f966c1b9438e78138e8820bc961ef65
PDF
Publication page66b1a27ac800c28e472e168f147e68f252e5650e3ecd4933fa9336eff851d27d
Manifestaf114a80e47f97751a1fdaaa438d834b1406eccfb5d9c6b17d80ff168dd46dab

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
SignatureuKviYb3ODRddZOrde3CFpBJ4M3Oldg4aXvSr19sidoUfxsEwvuIMSUtCAPaU1ot3vgEpH/4X4eHliZWbwgEoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:59.678948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009254
observed 66b1a27ac800c28e472e168f147e68f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.657363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009254/manifest.json
observed af114a80e47f97751a1fdaaa438d834b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.637035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009254/publication.md
observed 90aeebf46d6fda3562327b03bdd1b71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.614011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009254/publication.txt
observed db98422d014044149ab584ffcb44e8fe...
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.