OpenTechnical

OT-2026-000035995

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035995) never changes.

Identity and time

Publication numberOT-2026-000035995 · never reused
Internal UUID01a0ae77-01cd-766e-805c-7aa0a5fecd98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035995
StatusPUBLIC

Content hashes

Canonical textb2f07a3b2d8b98dad1fe3e9f048fbca70fa7a09c066d3ff011435ebd6208d57b
Markdown4532b5a36ad9f86ab289fb4a1f386de556c1dbfb2610d5ba6e27d11e1a9fc108
PDF
Publication page3c20c1cd36a42a392fd8b9a824b1989e053332230d00939058be3005b779b67c
Manifest60c0ef5841f5712e32f8483480b725fb1ffad4f6924ac8b0d66a79b48697584d

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
SignatureQHqtDxY8tyBsuDOQn4TIBCTiipRvVJXc/aYi0Rz2GPTmC1ze+jYn61As8SU9L3znHRD311gDSBZlJlf/S7kvBg==
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

2026-09-17T11:26:09.282177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035995
observed 3c20c1cd36a42a392fd8b9a824b1989e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.264769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035995/manifest.json
observed 60c0ef5841f5712e32f8483480b725fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.247685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035995/publication.md
observed 4532b5a36ad9f86ab289fb4a1f386de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.229561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035995/publication.txt
observed b2f07a3b2d8b98dad1fe3e9f048fbca7...
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.