OpenTechnical

OT-2026-000099173

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099173) never changes.

Identity and time

Publication numberOT-2026-000099173 · never reused
Internal UUID01a0aea2-8288-7f06-be81-b9e33c3b9466 · 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-2026-000099173
StatusPUBLIC

Content hashes

Canonical text564d744c3e324a19128bade12e9c4218b56be8948cb110473ba33143e44a58ae
Markdown81689dab982995bc03944d17bb62c8f0b966fe2b5817edf98201d604e3064330
PDF
Publication page033677088073016f7a0262c2a3d577fe9cc37827c7d4cf860a3d2d2f620fcd91
Manifest3b219defbf5fb01d8be871584bc25b102fef7339b30dc3bd563c3559bf3939ad

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
SignatureKOgxbI4z3cnxbskYqANvcx1Vv3DbiyJMR1U+CN6jWLPwz3Gc+mQCPS6Hy3pcI5PwXDtlrGysQN7WOGIdJQWrCQ==
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

2026-09-17T09:30:33.404633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099173
observed 033677088073016f7a0262c2a3d577fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.384476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099173/manifest.json
observed 3b219defbf5fb01d8be871584bc25b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.364544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099173/publication.md
observed 81689dab982995bc03944d17bb62c8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.345793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099173/publication.txt
observed 564d744c3e324a19128bade12e9c4218...
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.