OpenTechnical

OT-2026-000077949

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000077949) never changes.

Identity and time

Publication numberOT-2026-000077949 · never reused
Internal UUID01a0ae95-2ed1-7793-afc1-1b0340e366c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077949
StatusPUBLIC

Content hashes

Canonical textd4c6d5d6e3f084b2fda8a65e3528114d492b8218759a25d4b948b56fac121d25
Markdownfb5e4e620e476ec36dc46f143db4d1324961da8935e8f60318a3ea72fe4f9509
PDF
Publication page86882a241e11c1de1013a4cf532ee34f38dd5d62d3169faefedb369b4209c391
Manifest70fde55e0b642a98b28d254b052a35a2cd907635c520412acb871a1f693b6f48

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
SignatureDu669CvLiuNKQsPqlyJqzBF/pk11dn46Oojyryy61wUWignFJVpcz7yj1Qe18jIJn+NsdvNbCm/95rKMmTpOBw==
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

2026-09-17T10:10:17.786956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949
observed 86882a241e11c1de1013a4cf532ee34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.769105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/manifest.json
observed 70fde55e0b642a98b28d254b052a35a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.748723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/publication.md
observed fb5e4e620e476ec36dc46f143db4d132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.727859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/publication.txt
observed d4c6d5d6e3f084b2fda8a65e3528114d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.913873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949
observed 86882a241e11c1de1013a4cf532ee34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.893698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/manifest.json
observed 70fde55e0b642a98b28d254b052a35a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.875358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/publication.md
observed fb5e4e620e476ec36dc46f143db4d132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.856015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077949/publication.txt
observed d4c6d5d6e3f084b2fda8a65e3528114d...
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.