OpenTechnical

OT-2026-000045943

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000045943) never changes.

Identity and time

Publication numberOT-2026-000045943 · never reused
Internal UUID01a0ae7d-8f89-70f6-9889-237754fbd730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045943
StatusPUBLIC

Content hashes

Canonical textd33cad05dab071348f57f4bcf9fbb48a3f964201b382d3b3d4114b1e3439bab7
Markdownb95cdc3eb1e7340751ff19e379bb7f7afcb8e0365140e13fdc1612f70129cc69
PDF
Publication page1d146783fea4add48976a70076d623bb951169aa5b1e74f9314ccdcc8501c93d
Manifestc03714f7d333f143ba23ce923830b70a465a5f60bfa46b82e71e1346f362cb43

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
SignaturefTpB2Y5q5CFXpwqX4fIgiSbYHnXEs5izPmNBNp0YgaP+n7/cwARFh2935m2T1Ft1wOecxNVhyncIHYo9EYIZDg==
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

2026-09-17T11:09:51.308313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045943
observed 1d146783fea4add48976a70076d623bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.287400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045943/manifest.json
observed c03714f7d333f143ba23ce923830b70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.268118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045943/publication.md
observed b95cdc3eb1e7340751ff19e379bb7f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.249974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045943/publication.txt
observed d33cad05dab071348f57f4bcf9fbb48a...
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.