OpenTechnical

OT-2026-000057349

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057349) never changes.

Identity and time

Publication numberOT-2026-000057349 · never reused
Internal UUID01a0ae87-d5bd-7267-8e50-f59ba4f0f7a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057349
StatusPUBLIC

Content hashes

Canonical text4373f925f179738a662bd3d59c35fd29326b3ea269936e07f6db67e0aad47145
Markdownca9aa3ba9cbe046444900f3a8c5b2417fa061af680e3c9bbed3ee10123bb5f7a
PDF
Publication pageb6f3baa1f3c038ac60175703bdc9be94aa85a7cc1df4ba6025cea771773c2f7a
Manifest7ca2bb93d3075010f44f6057a19aee3d9706d0b1c081dac58aa9f894c91aeebe

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
Signature1EI65qpd3mWKbhmGhTPXqB1wgynmeFkSp9KW4BNSZxMjUphI1pAG1Sr2AZKNxe4PkEom2lt8iClVjyvt2H24DQ==
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

2026-09-17T10:50:28.560866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349
observed b6f3baa1f3c038ac60175703bdc9be94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.540309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/manifest.json
observed 7ca2bb93d3075010f44f6057a19aee3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.520759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/publication.md
observed ca9aa3ba9cbe046444900f3a8c5b2417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.504499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/publication.txt
observed 4373f925f179738a662bd3d59c35fd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.749329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349
observed b6f3baa1f3c038ac60175703bdc9be94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.731353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/manifest.json
observed 7ca2bb93d3075010f44f6057a19aee3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.712826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/publication.md
observed ca9aa3ba9cbe046444900f3a8c5b2417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.694450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057349/publication.txt
observed 4373f925f179738a662bd3d59c35fd29...
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.