OpenTechnical

OT-2026-000016548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000016548) never changes.

Identity and time

Publication numberOT-2026-000016548 · never reused
Internal UUID01a0ae6e-2d13-7e8e-9e1b-202bdd816fc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016548
StatusPUBLIC

Content hashes

Canonical text0019402731a251a21afb256b6a8e079fcab3918f9793d74174ade251ec91e154
Markdowne977455f70a7d10a6379721e75bb95ea3bf1687fc9d3bd365be483a31679a0db
PDF
Publication pageb32b1550bac05553eceb334f3868cdf02bb16b965a216db04d76126c72f9ff3e
Manifestcf21f6d0e3801e6010468d4bde09d268c3bd487f3e2cddaf9dd01d05e34acc9d

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
SignaturerNwTmzyGv4B4wfS5X3EuS5ThOw4Z69dYHdPiIMvZvz1CPr6oFSAKqeGVJj4h9+gaPKTXOVN7CtRXU+IrHD31Dw==
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

2026-09-17T12:04:46.372660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016548
observed b32b1550bac05553eceb334f3868cdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.353209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016548/manifest.json
observed cf21f6d0e3801e6010468d4bde09d268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.329931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016548/publication.md
observed e977455f70a7d10a6379721e75bb95ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.307567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016548/publication.txt
observed 0019402731a251a21afb256b6a8e079f...
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.