OpenTechnical

OT-2026-000097558

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000097558) never changes.

Identity and time

Publication numberOT-2026-000097558 · never reused
Internal UUID01a0aea1-92f1-7819-adf3-5fc0fa1b6760 · 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-2026-000097558
StatusPUBLIC

Content hashes

Canonical text00797e365db54671b4698caa2bf9e3a3fe0337dd3cdf01bb37ec13c73509f9d8
Markdown3e0d1c8ec08a53d8e225a17d2bf46d9a3b443a94d254dc44dfed96431efb5510
PDF
Publication pagea06b161061ec79ddbdec86949f70e9733142d9fb40d4b03781880d68259d3120
Manifestbdfaac83a2a428130754225926f9e0373806c483bcff33973c80275aeb24857d

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
SignatureFJeNcI0H253C5MxgFEAw1f3SEs9b3fWtrYJKPLhdpB+NGAULk6j1qSfAXydM54SVxh23IGBA7Cjlt2EfhQuACg==
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

2026-09-17T09:32:28.032709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097558
observed a06b161061ec79ddbdec86949f70e973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.014998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097558/manifest.json
observed bdfaac83a2a428130754225926f9e037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.996553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097558/publication.md
observed 3e0d1c8ec08a53d8e225a17d2bf46d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.978297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097558/publication.txt
observed 00797e365db54671b4698caa2bf9e3a3...
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.