OpenTechnical

OT-2026-000070371

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000070371) never changes.

Identity and time

Publication numberOT-2026-000070371 · never reused
Internal UUID01a0ae91-545f-7efe-a885-6aaed11e6ad0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070371
StatusPUBLIC

Content hashes

Canonical text9200afeb7d8b834d72738a3c906c666a4c570dbf1e5cd0d15e8b4e35461d1063
Markdownec3cea9aee86a4d1b1245c8db55d92526dcaab1ae3a1bb42afaadddc22dc8f94
PDF
Publication pagece77fd8833d7bb3a3847f9ce6ca9ce05d20953bcf8772e074cc27be3f3f7d8f7
Manifest659ea96d1ad0bef06226c83372eb8860fdbded319a9bd7714b7dbedcf5f27d0b

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
SignatureyCTNMmUP/N3zbuOlWsSV0BkJUAAfLAGuZom5jr1NlElxk6fvgApr2LWSnxRI68Yg9vuo4gQmPy8aHe/DcebtDg==
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

2026-09-17T10:26:10.444278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070371
observed ce77fd8833d7bb3a3847f9ce6ca9ce05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.424796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070371/manifest.json
observed 659ea96d1ad0bef06226c83372eb8860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.404554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070371/publication.md
observed ec3cea9aee86a4d1b1245c8db55d9252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.387345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070371/publication.txt
observed 9200afeb7d8b834d72738a3c906c666a...
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.