OpenTechnical

OT-2026-000051863

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000051863) never changes.

Identity and time

Publication numberOT-2026-000051863 · never reused
Internal UUID01a0ae83-7c84-7f18-a5a0-1110cc28fda2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051863
StatusPUBLIC

Content hashes

Canonical textcdb1030109a67b785525501f93cffcf6ccb4d879b58bf82fca0a681867ac712a
Markdownf6b8cfbe83a3e3de51ff23fa53e9a3085e0a558f0b1d7cf95e8f2cea9600ebfb
PDF
Publication page8ff19df5114f538b9f72afc6f72423e98fbc8c9207e21a4ebcd56878f16d2bbb
Manifeste60daf023a45a873d1635090cc1d0957edf3a2d84354a263907d953a60bb7414

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
SignaturePH4ppciqKI5qmIQU71641nKKIXmjKIqet8kPFfR52Tzlz/3Y3hPvGFcqNQVpneJxe7vZtFbYhlgFi4CGhXbOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:47.824883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051863
observed 8ff19df5114f538b9f72afc6f72423e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.805486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051863/manifest.json
observed e60daf023a45a873d1635090cc1d0957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.785640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051863/publication.md
observed f6b8cfbe83a3e3de51ff23fa53e9a308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.766595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051863/publication.txt
observed cdb1030109a67b785525501f93cffcf6...
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.