OpenTechnical

OT-2026-000104156

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000104156) never changes.

Identity and time

Publication numberOT-2026-000104156 · never reused
Internal UUID01a0aea5-341f-7dd9-b658-ef5a493b2c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104156
StatusPUBLIC

Content hashes

Canonical texta1958737fb387f96fa6c3f576b3094b63547b485ebaa6e104006f27e9f218e95
Markdownca2f8117669d4d1ba03752b4eddcf6dd2cfae2a13de0e5acd972897592e7bd07
PDF
Publication page0caa67ca20f7149bbb6e50772d937ef75c48edc5353e458d420cd5ae62574f58
Manifest2f4c530e76fc8ea563ecd876b0d9fdcbd488ce5ecc8ec4a1282d078973782094

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
SignatureCq/s1rm729TTFB1th2MjH7ec6R5X01zFLcqMea/rpwcC3pTHOD/UXJuLYPOdzXiUV5UhOFHxjIZfH47HUNHOBA==
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

2026-09-17T09:20:14.654510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104156
observed 0caa67ca20f7149bbb6e50772d937ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.636631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104156/manifest.json
observed 2f4c530e76fc8ea563ecd876b0d9fdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.617843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104156/publication.md
observed ca2f8117669d4d1ba03752b4eddcf6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.596501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104156/publication.txt
observed a1958737fb387f96fa6c3f576b3094b6...
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.