OpenTechnical

OT-2026-000013860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000013860) never changes.

Identity and time

Publication numberOT-2026-000013860 · never reused
Internal UUID01a0ae6d-8de9-7018-8f5e-61000e096534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013860
StatusPUBLIC

Content hashes

Canonical text4b630a8431af72e4bbbb08acdfc59c4eadc18aca779c9c368f988a42192b6802
Markdown56333bdd182fa30ca0a1492a31e2f30808afb29dd62d492944a9db8d96cc17f3
PDF
Publication page77648acff0752e240fcc896c7a51bff99a6b1c9b6adbd878de0565d91d7eac75
Manifestf5ae094fecc2a69982039f385d39a029970467a7782923f711f9a8e8e7f69f66

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
Signaturei3vOuSQ6jVvxBWyvyOGh2Ygzd2vhykUem30HhN1RA8PDSoFeKzGOJgWZeYVm09hp9HYyipL27W/uM42zSZHqAw==
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

2026-09-17T12:08:58.324525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013860
observed 77648acff0752e240fcc896c7a51bff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.304763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013860/manifest.json
observed f5ae094fecc2a69982039f385d39a029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.286116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013860/publication.md
observed 56333bdd182fa30ca0a1492a31e2f308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.266581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013860/publication.txt
observed 4b630a8431af72e4bbbb08acdfc59c4e...
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.