OpenTechnical

OT-2026-000042115

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042115) never changes.

Identity and time

Publication numberOT-2026-000042115 · never reused
Internal UUID01a0ae7a-5d71-78a1-a810-df517ddecca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042115
StatusPUBLIC

Content hashes

Canonical textc64926ae57e34b07d8789d5f6d3f59f68728a1044799fc1c9438ba0468725a54
Markdown964df944fcfc4b5c453c7c0ac79dfdd67c208f3387d24037c566878f513b0c65
PDF
Publication page0980ac762e8b5f6d18aadb658d4d727db4497c1012a049a71e220c523a2900b1
Manifest9cc0d76a7f991cb23d02fd8bbd761326217bfb27c2cee4aa48de2b24f968b523

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
Signatures7e43LprNEsICnJS8DUzsCeeyzY+okahmy1EuANv4nAInIMBXahxRhAhsUgAAmqcNeCWAvNG0jVJzbMNQifcCA==
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

2026-09-17T11:15:39.312612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042115
observed 0980ac762e8b5f6d18aadb658d4d727d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.294256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042115/manifest.json
observed 9cc0d76a7f991cb23d02fd8bbd761326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.274019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042115/publication.md
observed 964df944fcfc4b5c453c7c0ac79dfdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.254238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042115/publication.txt
observed c64926ae57e34b07d8789d5f6d3f59f6...
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.