OpenTechnical

OT-2026-000083125

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, sustained blow-off 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-2026-000083125) never changes.

Identity and time

Publication numberOT-2026-000083125 · never reused
Internal UUID01a0ae97-c962-710d-94e9-a6048b274ea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083125
StatusPUBLIC

Content hashes

Canonical text0cc2fca445a9c0b81717ed89c9dd3b04e40de35b00d0ecc428ae4e753ca030cb
Markdownc8ac2fb372d586911098a76efcfb5204249ee7b862e0c7310cdb4610019902ce
PDF
Publication page2f0b352627a289f3575f806896debe938b902b7838e6a1c7fd37b5e3aa0507c6
Manifestf85d3aee2518f47633a7078d0027c876109e601147b6249170b89daec603ec10

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
SignaturemLtyx/Gq+Hkm2aQWhGhXQfAnZxZUUrDrWQfrGPvYnBD5kkiGUbrOg7lOpvt1emsz/67E+0FSM5vpWXZGbmguAA==
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

2026-09-17T09:00:44.842555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083125
observed 2f0b352627a289f3575f806896debe93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.820044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083125/manifest.json
observed f85d3aee2518f47633a7078d0027c876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.674874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083125/publication.md
observed c8ac2fb372d586911098a76efcfb5204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.658181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083125/publication.txt
observed 0cc2fca445a9c0b81717ed89c9dd3b04...
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.