OpenTechnical

OT-2026-000013053

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000013053) never changes.

Identity and time

Publication numberOT-2026-000013053 · never reused
Internal UUID01a0ae6d-5564-7ed9-80e2-db4a84c29c66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013053
StatusPUBLIC

Content hashes

Canonical text19d689749d131da01c25abf2e71c67b3b3224627f64f7351666c8f83b6a59ec7
Markdown5684e4d4d0b08455e8cc61a73cee43a4e364201cedbc4929d07e878585139a37
PDF
Publication pagea97d394784295af50eaf9a455e16320938b48ea2e3317e6ccd7694779b73778b
Manifest53e3f39487752c8a458a65beae3ef68c6601627e9fbd09d4e3225a7e11c70479

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
SignatureNDtQwK40tBa3GEVdQpwWGALtuVTSU1pu6z4F4gn4H+3mw6/bSmZDED4Bz3YABIeCJja0cQ/UYl7MM8TisIOnCQ==
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

2026-09-17T12:10:53.323823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013053
observed a97d394784295af50eaf9a455e163209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.306341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013053/manifest.json
observed 53e3f39487752c8a458a65beae3ef68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.288444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013053/publication.md
observed 5684e4d4d0b08455e8cc61a73cee43a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.268748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013053/publication.txt
observed 19d689749d131da01c25abf2e71c67b3...
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.