OpenTechnical

OT-2026-000070320

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000070320) never changes.

Identity and time

Publication numberOT-2026-000070320 · never reused
Internal UUID01a0ae91-545e-7f55-b2ed-29f22b59ca9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070320
StatusPUBLIC

Content hashes

Canonical text7b00ccfc57d9d2d73c804324b6b2d671b81f25fd9e75f49e10935ea43d2d4fbd
Markdown87bd7e797eb9613f8e71cfb40874ffb9451062d9312cea429c239c3bcebd8753
PDF
Publication pagef130c5d926522d767eca0e12b7bd4f4f67a9121524622a2d0ec8722c26940155
Manifest393dfdc830ab57d3057dbccb4b008051ed1c1d7e2673ca731c0d9863ade9bfec

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
SignatureaMqyWRQXWUEdCoLhCiHNzynQ+wOWlkSjSVv6K1nqhwr4V5cRwksNUrx3mQOC4yB03kXxRfuhFv0Y4T2SiO0fDQ==
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

2026-09-17T10:26:06.626862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070320
observed f130c5d926522d767eca0e12b7bd4f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.609686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070320/manifest.json
observed 393dfdc830ab57d3057dbccb4b008051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.591801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070320/publication.md
observed 87bd7e797eb9613f8e71cfb40874ffb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.575437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070320/publication.txt
observed 7b00ccfc57d9d2d73c804324b6b2d671...
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.