OpenTechnical

OT-2026-000013047

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000013047) never changes.

Identity and time

Publication numberOT-2026-000013047 · never reused
Internal UUID01a0ae6d-5564-75a8-a0b0-eb62c4efb288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013047
StatusPUBLIC

Content hashes

Canonical text5c4b642318637e57f925b4f2e21e6cc84dd559a5f99ab0325c8a1e97179b0ebb
Markdown74b3a892384ee248814e8922bd63586807b0f1186e99f2e35a7217253f9d0937
PDF
Publication pagefc17260538a4eb31663db8587c30175f95f3f183ca82524f17a6a4ddcd34741f
Manifest1de524c3c142ae9d894ae9058e9c232071321def579d3c236da99a176302ef1e

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
SignaturewoOCF9dxohyiwU3JcaQzJ/Uzvbd45siiypF+fDZY7vVWFySt2AzquUgkSCRuXN8Qj7pV8ZSRd5PxqjCKHwCfAQ==
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

2026-09-17T12:10:52.843293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013047
observed fc17260538a4eb31663db8587c30175f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.823088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013047/manifest.json
observed 1de524c3c142ae9d894ae9058e9c2320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.803350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013047/publication.md
observed 74b3a892384ee248814e8922bd635868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.783611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013047/publication.txt
observed 5c4b642318637e57f925b4f2e21e6cc8...
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.