OpenTechnical

OT-2026-000095978

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000095978) never changes.

Identity and time

Publication numberOT-2026-000095978 · never reused
Internal UUID01a0ae9f-fac8-7c12-8567-2da656db8c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095978
StatusPUBLIC

Content hashes

Canonical texta2906ffa224ec4d37971b24cbb07d45345efdbcd8d42ceee4a1d0041bcb3d5ea
Markdownd705f9c0ea131913938ef22c65ff4aa7a431de4e9b6aff16dacbbaea8b1b3ef8
PDF
Publication page888f4ec77b36b7091f4fb5c9b3d57d46c755998e113534d1e75ee327bd749460
Manifest08473b088bb021d4f85ef2501b407145924f38907f4e4e499dcee806510dad97

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
Signature4R6p/T6nVBa15rt4k3l7RNMSUHBkYfMzsVnxOnpwgsugYHJdF+XunGwEhbo2zSSLAov4HcKdVIovRDuHDSwNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:05.998363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095978
observed 888f4ec77b36b7091f4fb5c9b3d57d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.979069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095978/manifest.json
observed 08473b088bb021d4f85ef2501b407145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.960799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095978/publication.md
observed d705f9c0ea131913938ef22c65ff4aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.939892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095978/publication.txt
observed a2906ffa224ec4d37971b24cbb07d453...
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.