OpenTechnical

OT-2026-000072266

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000072266) never changes.

Identity and time

Publication numberOT-2026-000072266 · never reused
Internal UUID01a0ae92-47c3-7dfa-a1f3-bbfa4cc0a3ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072266
StatusPUBLIC

Content hashes

Canonical textf456b3f3208398e3e766207f18f73109f38e0257593fd2af523ff913f3b85df1
Markdowndd37850a09a33b2807dd68b2c8a678914a1168e2c5f4f650d48508f3847dfa72
PDF
Publication pagec2fd80ca3eba0690ad1e006be0fea8a04107b134911857812725ef8651790649
Manifesteae5dcfad4dfec9296eddf8a40b7b33b7e2d3d74bfa5a014e2a0b79a8d963298

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
SignaturescRlbeCJw1jbFtlBjP9rw6MFSqCAaDxtadfYtl5atO6HNM706lFZEP1CIxMmc/yiz3Teub0HmXcSIma6SxCGDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:22.691708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072266
observed c2fd80ca3eba0690ad1e006be0fea8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.674812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072266/manifest.json
observed eae5dcfad4dfec9296eddf8a40b7b33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.657371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072266/publication.md
observed dd37850a09a33b2807dd68b2c8a67891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.639048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072266/publication.txt
observed f456b3f3208398e3e766207f18f73109...
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.