OpenTechnical

OT-2026-000057858

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000057858) never changes.

Identity and time

Publication numberOT-2026-000057858 · never reused
Internal UUID01a0ae88-6ed8-703d-8a37-0798e69204e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057858
StatusPUBLIC

Content hashes

Canonical text01b8657792048c4e5402e7f4714b51ac10bc54450de9ea3a39016dc2db0aac11
Markdown263b9c1f03cbbe9e39c7a030103a87265dc31d43a3932c3f2d027cf486ba2593
PDF
Publication page3673095b25827f1226d354201fe6e98cb6a4b713752b45892636907abaeb7bbb
Manifest331cfd69a4c3bae658ad33a6305c9ae643733bc478c4b156367b43e2c1054260

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
SignatureRJWonIo3TPzFzpVltP1zROdeUR+ffspipO27A7DiT85wpIlGUEn8E8vJKUmT7u6yAOyjmdi8vIPeNjyoLypMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:26.390485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057858
observed 3673095b25827f1226d354201fe6e98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.371253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057858/manifest.json
observed 331cfd69a4c3bae658ad33a6305c9ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.353474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057858/publication.md
observed 263b9c1f03cbbe9e39c7a030103a8726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.334959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057858/publication.txt
observed 01b8657792048c4e5402e7f4714b51ac...
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.