OpenTechnical

OT-2026-000102346

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000102346) never changes.

Identity and time

Publication numberOT-2026-000102346 · never reused
Internal UUID01a0aea4-8589-7fed-bf70-8633fbcfc967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102346
StatusPUBLIC

Content hashes

Canonical text69b2b881e8a3348658601375f3e3163b7172b75b5b3bad87462e8b2ff9b65853
Markdown133f072ee547206aa128c9e3721a0cbf2688d086b716e8e275f758404c1eb05d
PDF
Publication pagea9fd75d2592256d0f64baf468b06c154ad0d5ea68731761385cd9ac7cd952185
Manifest93931d1f8561e1105b619d8113ff2b65e2baa77be9eba52c2ecf522daf80e5a0

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
Signature1nHp1m5E3rAc5Dtc67vI5kJOhNF2scqEOFZAAOPgyF70FOnybsVr7FmRFEkGAboJpK9Ba2J+rsOLxibjwpjzDw==
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

2026-09-17T09:23:40.786361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102346
observed a9fd75d2592256d0f64baf468b06c154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.767890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102346/manifest.json
observed 93931d1f8561e1105b619d8113ff2b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.748720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102346/publication.md
observed 133f072ee547206aa128c9e3721a0cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.732185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102346/publication.txt
observed 69b2b881e8a3348658601375f3e3163b...
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.