OpenTechnical

OT-2026-000030229

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030229) never changes.

Identity and time

Publication numberOT-2026-000030229 · never reused
Internal UUID01a0ae73-e500-7f73-810e-5e415ee143c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030229
StatusPUBLIC

Content hashes

Canonical text0a9c416d5a14937d0b84f8883a3ddcbef7f78f5707f8b96caa4ffa621ad36b87
Markdowna6a36548e8092891ffc843119e8cb343d7cc9c86dba8d2bfa6267ed5f98c8517
PDF
Publication page3f435dadcf10c8a24471834203af93af2116eb3920203120fdb4a9a7359e021c
Manifeste837441ebb2008bf876ba3971031507b62862cb813039afebd1d0b96a6403c31

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
SignatureePBIF0Js1OKiwDaL7XIG8esctCH/c65c0Q4l6SyHPxHAJtEnx1k2QamjRBHZP9yODO0L6znwiTpZ9GIE/I1uBQ==
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

2026-09-17T11:40:36.428996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229
observed 3f435dadcf10c8a24471834203af93af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.402826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/manifest.json
observed e837441ebb2008bf876ba3971031507b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.385229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/publication.md
observed a6a36548e8092891ffc843119e8cb343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.367103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/publication.txt
observed 0a9c416d5a14937d0b84f8883a3ddcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.929455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229
observed 3f435dadcf10c8a24471834203af93af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.911375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/manifest.json
observed e837441ebb2008bf876ba3971031507b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.889486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/publication.md
observed a6a36548e8092891ffc843119e8cb343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.869769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030229/publication.txt
observed 0a9c416d5a14937d0b84f8883a3ddcbe...
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.