OpenTechnical

OT-2026-000018773

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018773) never changes.

Identity and time

Publication numberOT-2026-000018773 · never reused
Internal UUID01a0ae6e-d521-79b8-9d79-4f2f946854d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018773
StatusPUBLIC

Content hashes

Canonical text64597bbe23f37cd742dc906b81b6f9003024b1725f299afb0e43969358fc9e19
Markdown57c220868bb30dd753f7179f110d1453d097189d575a90524f9e1ed6bfd595ea
PDF
Publication pagec021f4dd17f2498c61c780fa48a9060c510d22abb36b7e2595e694d988624e57
Manifestbf113a77272c8702ba2193addff99ee022d5f6d877215e6451b955aa29445e38

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
Signaturekoym9cjzBJ/ti/8C5jqeM2a1sl1oqptyEboVM+M3Vuwlbw0g/07/42EBx0tpEsVOKFg17ISeyuh9UqvanhKuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:59:23.741477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018773
observed c021f4dd17f2498c61c780fa48a9060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.723745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018773/manifest.json
observed bf113a77272c8702ba2193addff99ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.706151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018773/publication.md
observed 57c220868bb30dd753f7179f110d1453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.688855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018773/publication.txt
observed 64597bbe23f37cd742dc906b81b6f900...
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.