OpenTechnical

OT-2026-000103996

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103996) never changes.

Identity and time

Publication numberOT-2026-000103996 · never reused
Internal UUID01a0aea5-15e8-7d13-8274-706082e99327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103996
StatusPUBLIC

Content hashes

Canonical text2eb39ffa2277192ef234769d7d7ff26ad73d296e470b099fe0a94314f8ae571b
Markdownfc9be5c0e6d10c3f81460fccf79429c5177e5b901d84c41f2d9167f9b20fe02f
PDF
Publication pagea0c91a36bdd60b7f2afee7ef47122b6e2faf3c346fc499e68d4b86b1d4dfa175
Manifest7eed0bea55bc2b1b1675f6da6901bb4e21d53e149a7828fed5b798835bbac35b

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
SignatureZEyRi3bCeALw3LgWU3oKpg0GMU+h/e4PxX2gVFIVHmU5/SBhZVW1EZnudkc0sGHruv4iMkdNXWi4q59LFlsiDw==
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

2026-09-17T09:22:00.196049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103996
observed a0c91a36bdd60b7f2afee7ef47122b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.180286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103996/manifest.json
observed 7eed0bea55bc2b1b1675f6da6901bb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.165288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103996/publication.md
observed fc9be5c0e6d10c3f81460fccf79429c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.149026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103996/publication.txt
observed 2eb39ffa2277192ef234769d7d7ff26a...
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.