OpenTechnical

OT-2026-000022895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed 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-2026-000022895) never changes.

Identity and time

Publication numberOT-2026-000022895 · never reused
Internal UUID01a0ae70-46eb-77fe-a7a0-fcf957259806 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022895
StatusPUBLIC

Content hashes

Canonical text7fe952e5fc8a9a2c27490d217e53eb0784f2b78a7daebac418fab74007e6bf72
Markdownbd9c3ddf3d60f80303900772f6bb0259441e32c524ecfbaa29e25dc398e0ca67
PDF
Publication pagece2dc59f668fd0dd12bcf518f17da02cb47ce6e516affd5ef50bde8f52dca9b2
Manifestbfd81b037dc2efc60b39d10474217bb22826ad1aeacfb582564ef0f3e697c9dd

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
SignatureTSbAJxAL7FBiy49E2mcrn26lP3obsvzNMp7cgKijQ/7eEyFooC4Y+zWotfLXwKxeJND/9GBFjQLouJhC/s5/DQ==
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

2026-09-17T11:52:28.042046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022895
observed ce2dc59f668fd0dd12bcf518f17da02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.023898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022895/manifest.json
observed bfd81b037dc2efc60b39d10474217bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.003675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022895/publication.md
observed bd9c3ddf3d60f80303900772f6bb0259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.982824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022895/publication.txt
observed 7fe952e5fc8a9a2c27490d217e53eb07...
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.