OpenTechnical

OT-2026-000102138

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102138) never changes.

Identity and time

Publication numberOT-2026-000102138 · never reused
Internal UUID01a0aea4-50f2-7dcf-8b8d-c66ff2e81f4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102138
StatusPUBLIC

Content hashes

Canonical textfe1f1f94ed7fe90ad4a0a8d408a4e923a68d093e41df2ec6007246912a795af3
Markdown6a118bc3cd918632a310a99783d5e514f19485556f793b0159d3b86b2b5ee684
PDF
Publication page3b10b908150eb64634d18cdbd9d67874a2ba00617cbdfa60fc6ef643a573c36a
Manifeste504e8c6670846e2e29709ad58c6ee5ab5a10eda3e79aedcc9b54facd8ac58aa

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
SignaturegwlalVnvvyEoSJMNNYjG1Vn8xI5op9Pb+W/YN7p9TzGfDMqU7KSJQw6zQ5dkf1hj+EDlLRbDrRh4H9o9WyB5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:18.128696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102138
observed 3b10b908150eb64634d18cdbd9d67874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.109366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102138/manifest.json
observed e504e8c6670846e2e29709ad58c6ee5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.091601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102138/publication.md
observed 6a118bc3cd918632a310a99783d5e514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.073301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102138/publication.txt
observed fe1f1f94ed7fe90ad4a0a8d408a4e923...
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.