OpenTechnical

OT-2026-000039504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000039504) never changes.

Identity and time

Publication numberOT-2026-000039504 · never reused
Internal UUID01a0ae78-d8d2-7409-a26c-12bdb6101077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039504
StatusPUBLIC

Content hashes

Canonical text9751bce6483cc3bd7c6fa0f3e2431b7110f4b814166d989db284bfc97831ac81
Markdown2dd6f2fadd34671c0dfd4d77de40aa954a23fab583fcb9dfadc4883e7461747e
PDF
Publication page1d0ffd37b1dfe69ca2ff037038c39abef6ff232f07623c46d7ece4f334c28cd9
Manifest6d8b6516232f79c4e8b1b6b3dfdfb800eccfec4529bca60234bd85c4ac7bbc2d

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
SignatureokDmNfLGwiHAk8RRpY9oAkq9Sh3vcSanxvjjaLEgGdY16UBnOlCyKqZRQWBJjreY3kKlIGVILaYAbjEehNgDDg==
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

2026-09-17T11:19:38.341356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039504
observed 1d0ffd37b1dfe69ca2ff037038c39abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.325516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039504/manifest.json
observed 6d8b6516232f79c4e8b1b6b3dfdfb800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.308993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039504/publication.md
observed 2dd6f2fadd34671c0dfd4d77de40aa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.290856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039504/publication.txt
observed 9751bce6483cc3bd7c6fa0f3e2431b71...
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.