OpenTechnical

OT-2026-000045028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000045028) never changes.

Identity and time

Publication numberOT-2026-000045028 · never reused
Internal UUID01a0ae7c-f767-750a-b824-9231b135ba39 · 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-2026-000045028
StatusPUBLIC

Content hashes

Canonical text676c97b58946f8bfa588f65352a5194c02ca86b8fe9cffd305c29306edab1ef6
Markdown6dc468ed8631e643f8ecd88de4825e306b5e297c6b41b5d12bb4624a3d3378d6
PDF
Publication page2beabf056ea5f668fc3b979bb755ffabe27fc0142e1acb4b2c9610cca5e7a4ca
Manifest4b3f891ebe8cbc7584264975d74ddad65549a482baa005bae45ddc4b98b3413b

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
Signatureyef2eeyxMxhhZiIJ+t/Aw/QTgoo3bldgJFZCYu+8UYVY3ICPqloulveQEBDdpm4zX4HidvS2a+SVTbRm07gcDQ==
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

2026-09-17T11:10:02.510689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045028
observed 2beabf056ea5f668fc3b979bb755ffab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.488956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045028/manifest.json
observed 4b3f891ebe8cbc7584264975d74ddad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.421652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045028/publication.md
observed 6dc468ed8631e643f8ecd88de4825e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.399700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045028/publication.txt
observed 676c97b58946f8bfa588f65352a5194c...
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.