OpenTechnical

OT-2026-000077963

Publication integrity record

Three cup 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-2026-000077963) never changes.

Identity and time

Publication numberOT-2026-000077963 · never reused
Internal UUID01a0ae95-2ed1-74ef-8128-e790d00f84f8 · 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-2026-000077963
StatusPUBLIC

Content hashes

Canonical textfc1af57feb61bf4af5bd301a21fb18dfef363f0934a004acb4eb68b250b00f99
Markdownd426e65e2b37c50cfdfa7306b44dc92d15ffdd0d0999644990fdc51779665a85
PDF
Publication page23d90b122eb221fe145f51f4c21273a890e774b3dc351ccd859c4749329f328d
Manifest021b3d9daa944cc8ccd608c33c2424fd69157cd037d0cb67ee7ee8627beafeca

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
SignatureRhN4wd3troveTbRlo5fJD0weSC3xUjxmZDmp8e9Zb2Do24PkNptWqfFhr44YHTTdNXnyC/4fsqe22RiwWKgyDg==
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

2026-09-17T10:10:20.534013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963
observed 23d90b122eb221fe145f51f4c21273a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.513220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/manifest.json
observed 021b3d9daa944cc8ccd608c33c2424fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.488582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/publication.md
observed d426e65e2b37c50cfdfa7306b44dc92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.469378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/publication.txt
observed fc1af57feb61bf4af5bd301a21fb18df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.757095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963
observed 23d90b122eb221fe145f51f4c21273a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.738717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/manifest.json
observed 021b3d9daa944cc8ccd608c33c2424fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.719018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/publication.md
observed d426e65e2b37c50cfdfa7306b44dc92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.700525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077963/publication.txt
observed fc1af57feb61bf4af5bd301a21fb18df...
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.