OpenTechnical

OT-2026-000037464

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000037464) never changes.

Identity and time

Publication numberOT-2026-000037464 · never reused
Internal UUID01a0ae77-b8ce-772c-afc6-a10201720365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037464
StatusPUBLIC

Content hashes

Canonical text3db4f34cb601789821a4f3f2ff7f3efebf00c14e6aa79886c7826ac05b9c52f9
Markdownc15a9d58991afb122ce64e7860a67ff7f50648ba116851732b5bcfbb18db3854
PDF
Publication page42111d016652a052475c2edad56dd5828847843952356ab98075befff04e71ff
Manifest44122c5e9b80a18df3e60bc2e09a44400ce57558e74edbb71b49447e249e9eed

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
SignaturegEluI0HxM8z5nGuzcMINFZc3SrcrGkY7cl0r8Is1CZMpqxODTe92ImPdacT0Q5IC9OPJyD4VGf+MnbT7RK1cDg==
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

2026-09-17T11:23:54.066379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037464
observed 42111d016652a052475c2edad56dd582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.047076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037464/manifest.json
observed 44122c5e9b80a18df3e60bc2e09a4440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.028124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037464/publication.md
observed c15a9d58991afb122ce64e7860a67ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.009144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037464/publication.txt
observed 3db4f34cb601789821a4f3f2ff7f3efe...
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.