OpenTechnical

OT-2026-000074646

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000074646) never changes.

Identity and time

Publication numberOT-2026-000074646 · never reused
Internal UUID01a0ae93-ac2b-769b-ada9-7ba731c82c84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074646
StatusPUBLIC

Content hashes

Canonical textf21be0a60d6fc60cdfae4a73a8ddbda42ba7ceed96e17ed7075dd312f0b92123
Markdownda44f7eaf8cf6b9c148b00fb732615b3f5bbe2cb8b64a3d12f20d9319be25985
PDF
Publication page14b7506a747fb2204dbe86ee6df4906c14006cbde7d88038ba9aa72ca7c538ed
Manifest90dabbddb2030e1c2858af9a857bba60a37f110beb2a75bea5b19e3871ee4144

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
SignatureAA8qzQtVp/a3wgEptvVBdyhUFbsz1oq4CtjR672Bcb+qyHz8LSMddNaaiWDKRktGaoJatulpeu2IVBX8H9SsAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:13.223296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074646
observed 14b7506a747fb2204dbe86ee6df4906c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.204771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074646/manifest.json
observed 90dabbddb2030e1c2858af9a857bba60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.186546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074646/publication.md
observed da44f7eaf8cf6b9c148b00fb732615b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.168255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074646/publication.txt
observed f21be0a60d6fc60cdfae4a73a8ddbda4...
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.