OpenTechnical

OT-2026-000015851

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015851) never changes.

Identity and time

Publication numberOT-2026-000015851 · never reused
Internal UUID01a0ae6e-0c4c-7ffc-9237-c573005ff346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015851
StatusPUBLIC

Content hashes

Canonical text412338130509e35dfad091dc7820747260a1c4d7b6a4ead575f4b0ae5c7cca5a
Markdown74afa52735744b4150bb369471dc5420c8e2c4b51bea035df3f56dd6834e9a67
PDF
Publication pageb775b94efe44356b8d314d0167fe27359b965e43800c243f508e56e8c7bc0d63
Manifest8bb1bb88c61f894dc81e4509c72925d9df2e173460b83e3133dc0a82d1d223f6

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
Signatures4LZyQwdDVGRxuzPL7wP1x7KKqPgxI+OQFa/j1ZrbOXlyX7MZRxzTeEvntBRfH3adL8I/rK9tPnAAhHL73G8CA==
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

2026-09-17T12:05:17.245564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015851
observed b775b94efe44356b8d314d0167fe2735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.224938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015851/manifest.json
observed 8bb1bb88c61f894dc81e4509c72925d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.201820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015851/publication.md
observed 74afa52735744b4150bb369471dc5420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.102456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015851/publication.txt
observed 412338130509e35dfad091dc78207472...
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.