OpenTechnical

OT-2026-000049723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049723) never changes.

Identity and time

Publication numberOT-2026-000049723 · never reused
Internal UUID01a0ae81-8fef-71ac-91bf-c007c973b13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049723
StatusPUBLIC

Content hashes

Canonical text44379a1c8d85654632d6a6c67d460ebe3acf0834777cfe694aac44fc1864d506
Markdown4d5132dbf980eeada589257b6e517fb6676a0f154d17fd0689e821dec05d6cf8
PDF
Publication page2ed8de21de996fbca7e5d0432563ab518d7688816b2619708677c3d8dc0ec6bc
Manifest6afcdbd3a7dfef0c34043225b0f05741394b051b1060b3a419e07217c73e9247

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
SignaturegszEfwEUnJ59l8iKv5nVKCTHMNfIJYJlrL5pNhEP5jJFU5zHn2jgqI/4sG+6em+R/WaY2BFWHL9p5QDcDyrCBw==
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

2026-09-17T11:02:44.623168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049723
observed 2ed8de21de996fbca7e5d0432563ab51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.605129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049723/manifest.json
observed 6afcdbd3a7dfef0c34043225b0f05741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.586569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049723/publication.md
observed 4d5132dbf980eeada589257b6e517fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.568182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049723/publication.txt
observed 44379a1c8d85654632d6a6c67d460ebe...
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.