OpenTechnical

OT-2026-000099031

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000099031) never changes.

Identity and time

Publication numberOT-2026-000099031 · never reused
Internal UUID01a0aea2-8287-7328-903e-0d1a67baf857 · 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-2026-000099031
StatusPUBLIC

Content hashes

Canonical texta5258f2d991c3c5f5b59a3b2ef0a3ebc6514af9df05440a6864a0ff72606c131
Markdown0458a821f1842c34a9f8cfd118ebeb6c147882ad3c256eddfa1b557d410de6a3
PDF
Publication page3ca1d4250e04d21ffd1704d7435d400e9e816d29d896639708d4b8dda978dd85
Manifestd0843795403e2ee13342b878e6d363e90a40dfb3fdd7aa3a288c47438fb74250

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
SignaturecWI9aFTeO/7Fy0VsI74Yi/NJ8Bhw8xIy9TwC7hyKxf+c3WM59Q6//4boDD4yu/JroWTbbUlxYLV7NOpA+yNBBQ==
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

2026-09-17T09:30:14.353164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099031
observed 3ca1d4250e04d21ffd1704d7435d400e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.328038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099031/manifest.json
observed d0843795403e2ee13342b878e6d363e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.309610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099031/publication.md
observed 0458a821f1842c34a9f8cfd118ebeb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.287487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099031/publication.txt
observed a5258f2d991c3c5f5b59a3b2ef0a3ebc...
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.