OpenTechnical

OT-2026-000074417

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000074417) never changes.

Identity and time

Publication numberOT-2026-000074417 · never reused
Internal UUID01a0ae93-717a-791a-8b8b-9a289593e62c · 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-2026-000074417
StatusPUBLIC

Content hashes

Canonical text07ddcd555e5ca8a2f5ade0186503193002c7f91ad6290cbb7e6c82b9dbe61f43
Markdownc23adc0bfd3ac23a7c35fafbe4ebbef15f58cb8afa9d21ef7da2026cc2955973
PDF
Publication pagefb485a1db86e9158e2d540ca27c44d79df53ab5119a9aad0ba3d164416b86cb4
Manifest6927c767b5c908460824ec5bcf662a394889150ffa28a86ab89734cc8bf5dded

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
Signature1ad303OeBKnhXmuaIJeIWb5FV5woVsdNldvUxp+s0xDzHqIN6p0qcajxxUd5hsmPzA0l0fSSG202uiQMjXSmAw==
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

2026-09-17T10:19:21.717284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074417
observed fb485a1db86e9158e2d540ca27c44d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.697990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074417/manifest.json
observed 6927c767b5c908460824ec5bcf662a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.679874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074417/publication.md
observed c23adc0bfd3ac23a7c35fafbe4ebbef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.660294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074417/publication.txt
observed 07ddcd555e5ca8a2f5ade01865031930...
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.