OpenTechnical

OT-2026-000090993

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090993) never changes.

Identity and time

Publication numberOT-2026-000090993 · never reused
Internal UUID01a0ae9c-c011-79b1-ac2f-d4e620665d8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090993
StatusPUBLIC

Content hashes

Canonical text8d54b7c4c53429da9d348c8f68c4e67099ca85af3fdb12d9161464492c6afae0
Markdown784634aaa3145ceef0351dd3b10af17df5a83fb0e6921f3687f6a7482c393cb5
PDF
Publication page8c6c1c66753f836d91be32174c22614b1c2b8d74a8a185a5a62cdf1084dac464
Manifestd374e678f69ef09bf314b6489c5a857eec8f759c69c744cabef11e50094898e3

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
Signaturew4i67a5h49jpeV+l1HJN/pk4mym3fXQ07hV1LbBQ+4s5f2EqbR0gf1LTGMMWskrTUl/nNfh0LmmD6XlH5mx/Cw==
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

2026-09-17T09:44:13.451263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090993
observed 8c6c1c66753f836d91be32174c22614b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.433960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090993/manifest.json
observed d374e678f69ef09bf314b6489c5a857e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.417470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090993/publication.md
observed 784634aaa3145ceef0351dd3b10af17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.401424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090993/publication.txt
observed 8d54b7c4c53429da9d348c8f68c4e670...
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.