OpenTechnical

OT-2026-000045180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000045180) never changes.

Identity and time

Publication numberOT-2026-000045180 · never reused
Internal UUID01a0ae7c-f769-760b-8e33-fae12c09441f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045180
StatusPUBLIC

Content hashes

Canonical textb25e4961290209b1c104cadea2262142c352c3ee27c44ad04d745ba90c319a0a
Markdowncdb960129d5b0416690751b31c7f1bcd4f7b7ff7f826ec7d636172e43a6cfe2c
PDF
Publication page2e548f6de306a6ce1a3924e6bdd6a741cdf622c05a5f798b85c10a4fadfae397
Manifest08d9a1c974e44288bb23a0d2c1e145792a78d3a6245185047526f7eabb2ee0cb

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
Signature6QPYRUFy0PUKS/aplKOt0eWtzMwtxSAgXJoofn5qA2yakwr2lt3QrjH5qIB4CObFz9pNhqFSV/6ejXnjCMmbBA==
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

2026-09-17T11:10:20.865697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045180
observed 2e548f6de306a6ce1a3924e6bdd6a741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.848044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045180/manifest.json
observed 08d9a1c974e44288bb23a0d2c1e14579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.828379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045180/publication.md
observed cdb960129d5b0416690751b31c7f1bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.808601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045180/publication.txt
observed b25e4961290209b1c104cadea2262142...
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.