OpenTechnical

OT-2026-000044275

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000044275) never changes.

Identity and time

Publication numberOT-2026-000044275 · never reused
Internal UUID01a0ae7c-39d6-7075-a11d-9485edb930cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044275
StatusPUBLIC

Content hashes

Canonical textd056d19d80fa58ca3e90ddcf10e0458dc91b5d4d740f17446227114b0760661f
Markdown6e5f119f5e34a61065cf283e801b8f51f4d8752fced35294e667732abbc98af4
PDF
Publication page27a98a5d41c4c629e692bdaf992142459ca7104de8e896b0878a5c560e661b93
Manifest3d43eb2dc6dae942f1e15deee87f4cdbb862a5be7f47c12f5a1c727c2b3534a2

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
SignatureV7Wx6dTNUQmQo5HnGBgXWiS/rboPUsAMxmwqD1ixIDsAMnxqskkOPDGNMBq0+e3xR3De9u52l/AtmqaR0otBBA==
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

2026-09-17T08:30:10.985681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044275
observed 27a98a5d41c4c629e692bdaf99214245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.962443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044275/manifest.json
observed 3d43eb2dc6dae942f1e15deee87f4cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.819825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044275/publication.md
observed 6e5f119f5e34a61065cf283e801b8f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.796550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044275/publication.txt
observed d056d19d80fa58ca3e90ddcf10e0458d...
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.