OpenTechnical

OT-2026-000075573

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000075573) never changes.

Identity and time

Publication numberOT-2026-000075573 · never reused
Internal UUID01a0ae94-29fc-73f1-900b-5ea62c343b86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075573
StatusPUBLIC

Content hashes

Canonical text51eb2292facf70c461a6240e52a10451bd3cd1af29761507dbe748d3ef9b0f82
Markdown8fb3490b00cce436a3da34dd0498a8bde9c51907a7849d7ad593bddbde6de72a
PDF
Publication pagedcf176d09f70256231e2d415d1c0fb64fe0a44aaeec3310a2266fca27a7e3d7d
Manifesta8c89f4605c0fc97ee9a59435de5dc28593e7ddb8d03a0cd59b36942ae979cc3

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
SignatureDVcTF4A12tMCVkuqQbeKVzU5/5Im6HlVSvXZ5dKd8UntFc2ID5AsPlXsz2LIjpJljEGsYzZeHsQmQAASPtzaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:10.722553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075573
observed dcf176d09f70256231e2d415d1c0fb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.703785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075573/manifest.json
observed a8c89f4605c0fc97ee9a59435de5dc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.560684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075573/publication.md
observed 8fb3490b00cce436a3da34dd0498a8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.541867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075573/publication.txt
observed 51eb2292facf70c461a6240e52a10451...
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.