OpenTechnical

OT-2026-000072004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000072004) never changes.

Identity and time

Publication numberOT-2026-000072004 · never reused
Internal UUID01a0ae92-47c0-7da6-abeb-dc07b0fcd6a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072004
StatusPUBLIC

Content hashes

Canonical text899686e51f5bb7b10366a4ab682737055e56fdd0da9ea83902f8d8ce94c8561b
Markdownda869e1baf3e1a95cc4bffdc04b0b2ea26cca45307b142afcfec22a517d4829e
PDF
Publication page0204490ebd602e1ca88b25a871750be6de2a9c1f4abba48ec47aa0da630a903b
Manifest054e985b3195af5b043b54fc70cf04c3deb22160388c1597736535ab1350e83a

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
Signature1YWGW4L66k+A/1SMQwAjNaJGrSMouyKvL+zqSJI3U43HrjRJtHrwT3YMhjwWGpvwVL8LJUmRmtl48ZCSwNh3Bw==
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

2026-09-17T10:23:03.927028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072004
observed 0204490ebd602e1ca88b25a871750be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.909326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072004/manifest.json
observed 054e985b3195af5b043b54fc70cf04c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.891196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072004/publication.md
observed da869e1baf3e1a95cc4bffdc04b0b2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.871460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072004/publication.txt
observed 899686e51f5bb7b10366a4ab68273705...
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.