OpenTechnical

OT-2026-000102254

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000102254) never changes.

Identity and time

Publication numberOT-2026-000102254 · never reused
Internal UUID01a0aea4-50f3-7f95-8296-56989e599ac3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102254
StatusPUBLIC

Content hashes

Canonical textf376ddc9ad90ae58e6f76381de4eefe3ea344efcc5a5fd141f33e53f4d6798f4
Markdown8100c5acd05f4a0b87a4a196735f9c7e7bd42ba8fb28b1f9ec600be9d34da982
PDF
Publication pagef7efd34212e0bdc76a31322124be47649edc0657a7b62da676bdf9a901d1bd75
Manifest199a118a46f84c607e6b959cc8af5e58fee74b596658c9eb39d6e95c788d4f9d

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
SignaturevcSrkC/q5lK9EEpJ3wukSOu7UcUWo7hp69T9bl+K7OP9lYgj9bxUCZMTjF13uLbczCPk1QmgQs92rQiApplTAA==
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

2026-09-17T09:25:26.226623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102254
observed f7efd34212e0bdc76a31322124be4764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.210047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102254/manifest.json
observed 199a118a46f84c607e6b959cc8af5e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.191655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102254/publication.md
observed 8100c5acd05f4a0b87a4a196735f9c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.172392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102254/publication.txt
observed f376ddc9ad90ae58e6f76381de4eefe3...
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.