OpenTechnical

OT-2026-000104266

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000104266) never changes.

Identity and time

Publication numberOT-2026-000104266 · never reused
Internal UUID01a0aea5-3420-7a29-87ed-2cc245aa3fc3 · 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-2026-000104266
StatusPUBLIC

Content hashes

Canonical texteebd06afb7af8ddf447349f96118ee344d60aa9d4eda39a8ecc6be9c569f71ad
Markdownac61eb49c37a45764dcd5686d7a3cf3bd55c8da8b3a796e31128172c3a845f9d
PDF
Publication pagedb2904addca336a6e92b648dcdf4d9200c3d44f331d9b15934139b2b2d7a7469
Manifestef5a0f5fb33a07b0a2ffeb67d11895fcb05e5d93660252971fb636684f98b1f3

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
SignatureWI3tAhvtZzKkKbe8xZV1lDH8Qb1MAqjFbFCUav6GUx3O6SEc8NY27R+NCTb3BszVnhq2AM7XIOe5cUbhZUoFCA==
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

2026-09-17T09:20:22.807538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104266
observed db2904addca336a6e92b648dcdf4d920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.790580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104266/manifest.json
observed ef5a0f5fb33a07b0a2ffeb67d11895fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.773006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104266/publication.md
observed ac61eb49c37a45764dcd5686d7a3cf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.753748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104266/publication.txt
observed eebd06afb7af8ddf447349f96118ee34...
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.