OpenTechnical

OT-2026-000070781

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070781) never changes.

Identity and time

Publication numberOT-2026-000070781 · never reused
Internal UUID01a0ae91-8c2c-7965-9e80-a173b3d3363e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070781
StatusPUBLIC

Content hashes

Canonical text0b8d63e3b8c5d000756b66e6536acde90fe908708eee41b845f9414eef2ad012
Markdowncf253557a1abd99020cd3bad9191d8f5bb47a40575e6a5c7bf41008802088255
PDF
Publication pageddaa797568f88daa167d2839bd75031d997cfeb505c7a87db60936752f18a4b8
Manifest935a899a87b9b2ec5bac3927bee9accce551f962bd69e3bc0112915d245d69cc

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
SignatureJsyRLShKSMX+trgWhTzQmODcRc77pbSNcwp1u9SQD9py1nP5U+x/UJIJBYXSc7KaBWHwf/7p92wb4nz4yji1CA==
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

2026-09-17T10:25:29.028617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070781
observed ddaa797568f88daa167d2839bd75031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:29.010660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070781/manifest.json
observed 935a899a87b9b2ec5bac3927bee9accc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.993595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070781/publication.md
observed cf253557a1abd99020cd3bad9191d8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.976388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070781/publication.txt
observed 0b8d63e3b8c5d000756b66e6536acde9...
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.