OpenTechnical

OT-2026-000102285

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000102285) never changes.

Identity and time

Publication numberOT-2026-000102285 · never reused
Internal UUID01a0aea4-50f3-7103-ab9f-2eddb59c6125 · 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-2026-000102285
StatusPUBLIC

Content hashes

Canonical textabc8bea85433a690780b3cdfc5239fce86c7bb2b1dd5dcb08bef509eeefb6865
Markdownc3fe70684ba828c02feb9e9a80d6217c0970185c46c5fe86ddbee96f0efb8c0c
PDF
Publication page4a99f1518570697be551ed5bd3b739bf7e4cde803a60483cfb4711fdb1dcb938
Manifesta33d66ba54745873e2ec95b8eb671b892661b8db8309c258e2297ff69e9dc4cf

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
SignatureVwUZt5h9wU0mLbLC8n9+ueNa91WzaPGHSSUl6yXZEKBZQtV5RZ2KLI7ql3e5SZsX8dLIK01kYpLDlh9mOUhICQ==
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

2026-09-17T09:25:28.622873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102285
observed 4a99f1518570697be551ed5bd3b739bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.605894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102285/manifest.json
observed a33d66ba54745873e2ec95b8eb671b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.587158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102285/publication.md
observed c3fe70684ba828c02feb9e9a80d6217c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.568981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102285/publication.txt
observed abc8bea85433a690780b3cdfc5239fce...
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.