OpenTechnical

OT-2026-000069564

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069564) never changes.

Identity and time

Publication numberOT-2026-000069564 · never reused
Internal UUID01a0ae90-b52b-7cee-a004-b6ac3ef43057 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069564
StatusPUBLIC

Content hashes

Canonical text919d946121d8d28d9f56d447c39c40e51a8fa92a08c109539fc3a4a730718c4e
Markdownbf5455d427e2d469b863335d66403e2b0d97c7bb108dfbef264faa5c80a1efb6
PDF
Publication page4ba9b5e94f07c9a175b79c3f0978643c44872c0cf60c1d2a64c73ebf74a6fee2
Manifest2da411dedd7962f9f1df93f33a82fd9bd5ede7ddaa2b8cda9a139b62df69f2f7

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
SignatureQmK3dDzZfeDsqoiAmuY/Qg87hm85TmFB8ozggwUFw/dToA36nc/djQhQVxxSstHd2v/zYScVSsXZQMWUrnc3Bw==
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

2026-09-17T10:30:41.007460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564
observed 4ba9b5e94f07c9a175b79c3f0978643c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.987246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/manifest.json
observed 2da411dedd7962f9f1df93f33a82fd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.969413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/publication.md
observed bf5455d427e2d469b863335d66403e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.951383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/publication.txt
observed 919d946121d8d28d9f56d447c39c40e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.053002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564
observed 4ba9b5e94f07c9a175b79c3f0978643c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.036186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/manifest.json
observed 2da411dedd7962f9f1df93f33a82fd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.019176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/publication.md
observed bf5455d427e2d469b863335d66403e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.001634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069564/publication.txt
observed 919d946121d8d28d9f56d447c39c40e5...
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.