OpenTechnical

OT-2026-000022319

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000022319) never changes.

Identity and time

Publication numberOT-2026-000022319 · never reused
Internal UUID01a0ae6f-f4fd-71b3-953f-0b6196d76e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022319
StatusPUBLIC

Content hashes

Canonical text863ead92fbd56a653631d83c5ec17a76e921c28a657e3c07478884de4e362e53
Markdown46d14d226f366822504bae73f93faa85f2fe147652af193850ef12b3fcde0633
PDF
Publication page14d35c6bcebe5683b0f18dd8cc992beec5361f8b84a21c3ca0837ab0ba5da575
Manifestf83e0ae5b949aedb09bc3c4abcbbb55f74e75484ff80a2db7b94992dc67aeeb7

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
SignatureFIq86aEHaT1h1wpulnFy3QmuyL+DHGNRjyS4YaVRunYiiLQytDR2B38Zfu1otOm9BGd0bX+VUzE5gbOLAP15Ag==
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

2026-09-17T11:53:40.703352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022319
observed 14d35c6bcebe5683b0f18dd8cc992bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.684597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022319/manifest.json
observed f83e0ae5b949aedb09bc3c4abcbbb55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.666319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022319/publication.md
observed 46d14d226f366822504bae73f93faa85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.647550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022319/publication.txt
observed 863ead92fbd56a653631d83c5ec17a76...
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.