OpenTechnical

OT-2026-000047931

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047931) never changes.

Identity and time

Publication numberOT-2026-000047931 · never reused
Internal UUID01a0ae7f-c422-72b0-9b3b-b3540363d73f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047931
StatusPUBLIC

Content hashes

Canonical text9917f1edc6ebdadb15609f44fb7190f005c54b781892fffc075c65c5a5e6c4eb
Markdown0293c80d05d49c7789e3333837892d8bd9504c0d6fde7eb0b1c999c23f143ab8
PDF
Publication page94c2f6e126f458fee452038644e16ae4d353414b1a83c31fbcae7ae69ad05ba3
Manifestf16f7f76ff3f3109557069e38c522ef1f526c4555d75fac59a84896f6c42922b

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
SignatureUlyYOhy6WrmgZVIq3J1CKeP2+mdQAqlCfq6+rnYs6n8IirCLc6olXdcFW3+jxMe7Ae9WKgzqNO8xsF+AmK1FCw==
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

2026-09-17T11:05:53.544477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047931
observed 94c2f6e126f458fee452038644e16ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.524890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047931/manifest.json
observed f16f7f76ff3f3109557069e38c522ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.506452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047931/publication.md
observed 0293c80d05d49c7789e3333837892d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.485905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047931/publication.txt
observed 9917f1edc6ebdadb15609f44fb7190f0...
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.