OpenTechnical

OT-2026-000015750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015750) never changes.

Identity and time

Publication numberOT-2026-000015750 · never reused
Internal UUID01a0ae6e-0c4c-769c-866b-cb3bb0e5fca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015750
StatusPUBLIC

Content hashes

Canonical texte41712889f1c9cd9a4724818738d80d08b683b7dd28caab2217f9eb36dfeb57b
Markdownf4228de5c18f1ed0bf18ced62ea46b56cd1fc3bd812ec646a51e19b355eb7817
PDF
Publication page9978d7cb0a8a09866c2e096c1c01463af66ee5af03cb8de4fa6974862dff1fc5
Manifestb34a38b6d1ae6a5d40e33af0da040baee113207e537901835bfd7f59ec2b741b

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
SignaturePTCMA5ci0f2XsNqX2bcke27Glslm5clupoE8FqNRXsMoWn3k/76bwUhOAgBb1EmOCjxSHBqB8kZwIRBaZ308AA==
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

2026-09-17T12:05:02.574892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015750
observed 9978d7cb0a8a09866c2e096c1c01463a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.556546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015750/manifest.json
observed b34a38b6d1ae6a5d40e33af0da040bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.538600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015750/publication.md
observed f4228de5c18f1ed0bf18ced62ea46b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.519953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015750/publication.txt
observed e41712889f1c9cd9a4724818738d80d0...
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.