OpenTechnical

OT-2026-000097490

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000097490) never changes.

Identity and time

Publication numberOT-2026-000097490 · never reused
Internal UUID01a0aea1-55b3-7909-8097-50a74a2cda24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097490
StatusPUBLIC

Content hashes

Canonical text10bdbe29dd5bf616ecb74b7a5ce17f6250b392c91b57fb8c1976df2b1f214384
Markdown0fcfaaee259dca398128007938a2d78e71117bdd7c3f9b3eef1ef3d2b5a6cb54
PDF
Publication page3f606c06d9687ca4847e14e795de091ea216988477a3b81bffc4f88318041788
Manifest41e8916f82aeb9a70961e4a0ba9ea03704537799463f31626fb4885b31eb8a8c

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
SignatureqKdbAlAkoQwchQYKUlKfbDK/gtitn2ZA/w317DluOB7F6jeoHypeC6cwVSH7vPV3D17UZs1rPjyg2c8mTZcjBQ==
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

2026-09-17T09:33:21.739680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097490
observed 3f606c06d9687ca4847e14e795de091e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.721214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097490/manifest.json
observed 41e8916f82aeb9a70961e4a0ba9ea037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.704350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097490/publication.md
observed 0fcfaaee259dca398128007938a2d78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.687425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097490/publication.txt
observed 10bdbe29dd5bf616ecb74b7a5ce17f62...
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.