OpenTechnical

OT-2026-000009850

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000009850) never changes.

Identity and time

Publication numberOT-2026-000009850 · never reused
Internal UUID01a0ae6b-cb78-7540-8a53-252feb18a82a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009850
StatusPUBLIC

Content hashes

Canonical text3531d4717e493f227bf5b4eef3ab34133a9f13caab1cf9cd987afb3b4ea42807
Markdowna76ff74d22a025005ba113faa293853e83cfb855b08902290ccf52286238526b
PDF
Publication pagec85ae60ffbf33aa8d1a6a0eadc6bd2df4e17860005e3afd35cd9501d09ed51eb
Manifestad16d01a5b198346a5fae5cb1941d7ad7b22de00e0fed4c11f7f45780ccaa4da

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
Signature2INONoiUR+Hzu80esku6MXPydeVqWm7cdy6pm9GXzBhyrUHnrGdIrE4xRd9Do2Hb3f3KRzA1cCJ40mPnKYpFCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:50.835362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009850
observed c85ae60ffbf33aa8d1a6a0eadc6bd2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.814971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009850/manifest.json
observed ad16d01a5b198346a5fae5cb1941d7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.795661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009850/publication.md
observed a76ff74d22a025005ba113faa293853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.776370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009850/publication.txt
observed 3531d4717e493f227bf5b4eef3ab3413...
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.