OpenTechnical

OT-2026-000041212

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000041212) never changes.

Identity and time

Publication numberOT-2026-000041212 · never reused
Internal UUID01a0ae79-b143-727a-a455-862fc5b32a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041212
StatusPUBLIC

Content hashes

Canonical texta05dad2388e4f8c43107f5b26461f872f4bb3806cc44b2b4b14c44b0929b3c7a
Markdown06f3ad5a5a5109995f9de66c0405ae5601e4088b8c3fca4518b8ace6df411425
PDF
Publication page071d62d0ba2d0464b3e2543936db0113e776e12b459c406bb56db4199db0ae05
Manifest7d8472c5f9b310052f9ce5849e63ddd044fa37989930fcc1e0b7ebc21e042770

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
Signature1MNaqGfdylvI50wIbmLVqOzhReczkCs+WOmSuNkZPGBz2CZ7ieBqmTm2n0Sf02wz1yV9hbzKXwThPyr1XesCCQ==
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

2026-09-17T11:17:10.319740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041212
observed 071d62d0ba2d0464b3e2543936db0113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.302469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041212/manifest.json
observed 7d8472c5f9b310052f9ce5849e63ddd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.282736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041212/publication.md
observed 06f3ad5a5a5109995f9de66c0405ae56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.245262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041212/publication.txt
observed a05dad2388e4f8c43107f5b26461f872...
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.