OpenTechnical

OT-2026-000074660

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-2026-000074660) never changes.

Identity and time

Publication numberOT-2026-000074660 · never reused
Internal UUID01a0ae93-ac2b-7945-8261-4e2d731c03bc · 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-2026-000074660
StatusPUBLIC

Content hashes

Canonical textd6aad796ded19e87998210ed1728d8e303e0d9ece2292887eb424fb128a99505
Markdownc94574f54733bfb84e46131a755cf71938dabacca2ef6209a8c7a826a22a1f7b
PDF
Publication page95ffc1af3498d4225591390701c5adc6e9217026781ebb31c35ff3c4d2522f15
Manifest334fc1d3b89fc0abb224bce92a6c2e7fea46bfd6fe3ba460bc6c714ad81a556e

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
SignatureC0m+qCD+n5tDEe+Z2C9Scv/uk6ZhHHggSnEWdS8h+G2+/wOeV/h/e78Qqo06ft1DDvFbsYqbbk9sOY/qNfIPAw==
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

2026-09-17T10:18:14.301463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074660
observed 95ffc1af3498d4225591390701c5adc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.283979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074660/manifest.json
observed 334fc1d3b89fc0abb224bce92a6c2e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.265444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074660/publication.md
observed c94574f54733bfb84e46131a755cf719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.212181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074660/publication.txt
observed d6aad796ded19e87998210ed1728d8e3...
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.