OpenTechnical

OT-2026-000074422

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000074422) never changes.

Identity and time

Publication numberOT-2026-000074422 · never reused
Internal UUID01a0ae93-717a-788d-8f33-6931ac2e76a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074422
StatusPUBLIC

Content hashes

Canonical textc64650a70695a51cf19bca2f41795c079653b303b6daf24f611de8cd8da3feec
Markdown89a6f4f4e17c61abb23ed1e02e5f59194d4ba6d73e4674016fff05a11124eb86
PDF
Publication pagef82483cb483a899d5fbeb99509695bea93e3984b25f83bbff580454fd14cc12b
Manifest54146272a698f5a940df76322e7ab714feb6f402275d256bcac01a761cf3adf7

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
SignatureB1TlKEimd1lT8k2GNKmezvrpUqZV64310OZjxC95lcpWhtmJ3faGgoTK5i/LmWV0xGe7qbXWI3C79eVUdvcdCQ==
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

2026-09-17T10:19:22.201407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074422
observed f82483cb483a899d5fbeb99509695bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.182364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074422/manifest.json
observed 54146272a698f5a940df76322e7ab714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.164417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074422/publication.md
observed 89a6f4f4e17c61abb23ed1e02e5f5919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.144700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074422/publication.txt
observed c64650a70695a51cf19bca2f41795c07...
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.