OpenTechnical

OT-2026-000034603

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000034603) never changes.

Identity and time

Publication numberOT-2026-000034603 · never reused
Internal UUID01a0ae76-1ed1-738c-a980-6e6f4e995254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034603
StatusPUBLIC

Content hashes

Canonical texte77067435f1795b497f5c4b4843b485c6d33d8b601994ddbce892b7c43291a59
Markdown7161c48346fb544357510449fd93c2999b0f404c9f4ef7148f4557cdcf9bf43b
PDF
Publication page5e56b3fb52557e71d49554197b5a7b3e60366549ee6c72973cb68b180358b284
Manifestb7cee972f4b6687ddf8f24946cd5573840bd8f1026b5538ddea3888ad54f9b71

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
SignatureoQUuUThGZom4RwTrtYSCgN9BuKvKiVkIcvpTKpuAj5rmV9V2qnL9/5NMoMGHGptj3uG/FhlkFyjLQgegAJgsBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:58.959400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034603
observed 5e56b3fb52557e71d49554197b5a7b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.939424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034603/manifest.json
observed b7cee972f4b6687ddf8f24946cd55738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.922761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034603/publication.md
observed 7161c48346fb544357510449fd93c299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.905914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034603/publication.txt
observed e77067435f1795b497f5c4b4843b485c...
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.