OpenTechnical

OT-2026-000057381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000057381) never changes.

Identity and time

Publication numberOT-2026-000057381 · never reused
Internal UUID01a0ae87-d5bd-75db-adfb-52d847d418b0 · 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-2026-000057381
StatusPUBLIC

Content hashes

Canonical text4d3ecaf49b579a48a4c7374beeabef5602f2c5cf987e5afbd97a84e7207d958e
Markdown650b9650d99b6ad1ac18004b16a555176a4332d0672585a95911c8a8b436320e
PDF
Publication page75c74d6523c666511b6a924ac640867e37e4f93b67e0e1e3a1736254d094aeff
Manifest956270101a361b140400280594d2f5ec997cbd31e78956f5996886842a86e08b

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
Signature8sxPf3SSalUpt58z2cIibUGD9TWkiaox3P/lGqDIISd0eccA1xYeVWbDGgl4sQI1+II5IbK96hym4/0hMb71Ag==
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

2026-09-17T10:50:30.705312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381
observed 75c74d6523c666511b6a924ac640867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.689381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/manifest.json
observed 956270101a361b140400280594d2f5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.672973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/publication.md
observed 650b9650d99b6ad1ac18004b16a55517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.655625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/publication.txt
observed 4d3ecaf49b579a48a4c7374beeabef56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.836598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381
observed 75c74d6523c666511b6a924ac640867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.819386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/manifest.json
observed 956270101a361b140400280594d2f5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.801775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/publication.md
observed 650b9650d99b6ad1ac18004b16a55517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.784677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057381/publication.txt
observed 4d3ecaf49b579a48a4c7374beeabef56...
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.