OpenTechnical

OT-2026-000103300

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000103300) never changes.

Identity and time

Publication numberOT-2026-000103300 · never reused
Internal UUID01a0aea4-be3f-7583-a308-83960a3ed0be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103300
StatusPUBLIC

Content hashes

Canonical text8b9529d85fea77fb2c0bc523732528568e7d968b344bbcad2a84cb55f4487380
Markdowndb8ac199bc5e6a3bb6e84d06546351640fc2d514bbf8d07ac0938b9a755bd649
PDF
Publication page1b91a23459473df1200067e32294489104c126ebe918f09fff2dad6291b73f4a
Manifest1bb229084e7ae64f90ab4fd53c1ea73ced06f1b66b238cc1a793e7d74987ebdf

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
SignaturefeUAZCjMY3ESf2L7rjIBkl7WdM5jexKtVRxfes6gNOsu8+gOzBvb/Nqdn2LP3x4aHdAbLCIsM2OWE9lOjbKpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:32.786070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103300
observed 1b91a23459473df1200067e322944891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.768916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103300/manifest.json
observed 1bb229084e7ae64f90ab4fd53c1ea73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.752196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103300/publication.md
observed db8ac199bc5e6a3bb6e84d0654635164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.733746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103300/publication.txt
observed 8b9529d85fea77fb2c0bc52373252856...
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.