OpenTechnical

OT-2026-000099306

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000099306) never changes.

Identity and time

Publication numberOT-2026-000099306 · never reused
Internal UUID01a0aea2-8289-7b57-9a9a-4b3cc0ab8e1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099306
StatusPUBLIC

Content hashes

Canonical text7535bc7476dec8f9c8a069fc377c0e9eecf8dc22b0a3977e97aeee06b836324f
Markdowncef9940cbb7a4c1fccef8a1bb6610732b862460aac04618ff7c6321eb2c21798
PDF
Publication page0498e05876e728644b38ab34bd481fdbd8c78c9abe30cb4b909f7f617bd896dd
Manifest0a3a1b3da6d875d0254dd68f2399936c30d285b1ff2caa3fb3557a65ea8c3a10

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
SignaturemHY7sSs5b+n/YMay3d+JWCO0DlQKBMo0DyXeFWjN92+VjYK+0aPWMgm04WMA2iUS3MD9Ar0/PPkA6TLrhrcoBw==
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

2026-09-17T09:30:46.251205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099306
observed 0498e05876e728644b38ab34bd481fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.233359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099306/manifest.json
observed 0a3a1b3da6d875d0254dd68f2399936c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.209842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099306/publication.md
observed cef9940cbb7a4c1fccef8a1bb6610732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.193466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099306/publication.txt
observed 7535bc7476dec8f9c8a069fc377c0e9e...
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.