OpenTechnical

OT-2026-000076749

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076749) never changes.

Identity and time

Publication numberOT-2026-000076749 · never reused
Internal UUID01a0ae94-b06f-7f49-bc8b-b6799df22968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076749
StatusPUBLIC

Content hashes

Canonical text44d3959b0ef3ffe7d90937c69912bef11aa707b0504a9479a2b90e5e828c5ce7
Markdown26d711f443c885dab658807066c7c763bd76d28df87e95647dd0279c981a2964
PDF
Publication page8293f437790cb1c12a4244b46aa5b64c7d2b286a25d7c44c6c6deb1c76e4edbb
Manifest1d3f84fe3ea455d2dc2532c21fbf0d2b8c96c5c60a6079521eecf87ff3b3c37d

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
SignatureKPvnDeMgz3VyxHagcb43E5VV93QPrcd6+Sx0LrBHxg4uWOchDHaOTsR/eGoJRmI8Tw2Kqq/FLYf/MfeyRg3mBQ==
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

2026-09-17T10:09:36.040293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076749
observed 8293f437790cb1c12a4244b46aa5b64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.020555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076749/manifest.json
observed 1d3f84fe3ea455d2dc2532c21fbf0d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.999695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076749/publication.md
observed 26d711f443c885dab658807066c7c763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.979558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076749/publication.txt
observed 44d3959b0ef3ffe7d90937c69912bef1...
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.