OpenTechnical

OT-2026-000066807

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000066807) never changes.

Identity and time

Publication numberOT-2026-000066807 · never reused
Internal UUID01a0ae8e-ce43-7bbc-adc5-c2a9ba68476e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066807
StatusPUBLIC

Content hashes

Canonical textabd6d6fd375cee3ee204d7346ba50acf5932f8bd1abae796c8aa2a3a8d689bcf
Markdown254103e082bfc4c5784fe8fbca58a701416a80791e4d760f66564755a93ea83d
PDF
Publication page4adc51f38d983e6fb9a8d795b252c414dc811fb896535c43bb26e0647bd71357
Manifest3009d1ee16127e1ad608a92660ec37c88c4c745ea6d1d7883d73b7ea5404fa67

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
SignaturePmf1Q+XlSHJBYYiT2ASUCvzuVo/XZb9hoa6vcwiTVS/TZ+jh/QR66wuKH3l6Ump9kXuRnBBvcAw9rbcl3QwlBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:14.188677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066807
observed 4adc51f38d983e6fb9a8d795b252c414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.171077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066807/manifest.json
observed 3009d1ee16127e1ad608a92660ec37c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.153856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066807/publication.md
observed 254103e082bfc4c5784fe8fbca58a701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.136925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066807/publication.txt
observed abd6d6fd375cee3ee204d7346ba50acf...
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.