OpenTechnical

OT-2026-000097684

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000097684) never changes.

Identity and time

Publication numberOT-2026-000097684 · never reused
Internal UUID01a0aea1-92f4-7fd2-b9ce-33819563cb84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097684
StatusPUBLIC

Content hashes

Canonical text3671f416e6912bf799767c0155c03e041b90acdd53ee6f51927dc89328e4adbd
Markdown06ebd0612f73e59ffb574d0b62c317076521483c3578550e245639d9a9b3863f
PDF
Publication page717d3394a53710bac1ccef4fae01fd44e183a601e10f9ba7d478dbd80fd90072
Manifest2b02f6b4b133f79be5c4d4c5703120b825795cf73a081a8957849ba83afe5950

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
SignaturesFsAAd/KVB1nqyeK6eDa1+p7q8Uk+n3yi/BMUi/14tlrwcDaGWtw0icYyOYpe/d3fNIDlCL9PyMVsbxkRG0QAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:42.464849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097684
observed 717d3394a53710bac1ccef4fae01fd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.447371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097684/manifest.json
observed 2b02f6b4b133f79be5c4d4c5703120b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.428807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097684/publication.md
observed 06ebd0612f73e59ffb574d0b62c31707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.410202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097684/publication.txt
observed 3671f416e6912bf799767c0155c03e04...
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.