OpenTechnical

OT-2026-000076533

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076533) never changes.

Identity and time

Publication numberOT-2026-000076533 · never reused
Internal UUID01a0ae94-6a71-7daf-9f40-7069559fbc87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076533
StatusPUBLIC

Content hashes

Canonical text4d36441dbf3fc50bf3292af2a4e32c248f165fd972b8b222c4490c44dd4feb49
Markdowna12663bb26bd8b35cc140a2b4b7f2a5c9e533e1824787c985e6bedc0ad731542
PDF
Publication page1c239387f0479e43f694490ee764a4f8d4f5c0ae8080c5b4edf6b7472138b8aa
Manifestf973b8e303e572353d9f1af2199cb8b4ee1d6b8c03fff6dcc66effef775ecff7

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
SignaturesZSIlvv1+Sbf1NjTCgagKXtZB47JyCx75Ofz8NPm+hJB5jxStuOlrqjQJVdNbXVJX805ycXLWlg9kNChE9DpCw==
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

2026-09-17T10:12:53.049421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076533
observed 1c239387f0479e43f694490ee764a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:53.031020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076533/manifest.json
observed f973b8e303e572353d9f1af2199cb8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:53.012682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076533/publication.md
observed a12663bb26bd8b35cc140a2b4b7f2a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:52.994009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076533/publication.txt
observed 4d36441dbf3fc50bf3292af2a4e32c24...
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.