OpenTechnical

OT-2026-000076273

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000076273) never changes.

Identity and time

Publication numberOT-2026-000076273 · never reused
Internal UUID01a0ae94-6a6f-7be3-91af-b45158fc1dbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076273
StatusPUBLIC

Content hashes

Canonical text849075e2527c4da83ea526164cb117c4c1526e8b8345fd894852f26928a4e690
Markdown41bda4c6d000b2e06d3cdcea2b3400d0c184df5cf39831b1f3ad5b2b7593a8e2
PDF
Publication page08b81879fb06d3b893500a5b600839610ee7dc33d6be6f9efa28e560b696c7ec
Manifest9b6266ab938d2d11220aeddb16fad3c1c2f9b9e94a21c7466c1fe2c95f9d3cea

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
Signature5M4Cf5d5ZZiXX+Htr2oyZrl1rly/xhoonMZPh3cKqkeBjQoaaqgBgMo+8dnb3OkV9ECCOkwVrx34EUyh0718BA==
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

2026-09-17T10:12:01.549316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076273
observed 08b81879fb06d3b893500a5b60083961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.530388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076273/manifest.json
observed 9b6266ab938d2d11220aeddb16fad3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.511533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076273/publication.md
observed 41bda4c6d000b2e06d3cdcea2b3400d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.492918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076273/publication.txt
observed 849075e2527c4da83ea526164cb117c4...
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.