OpenTechnical

OT-2026-000091484

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091484) never changes.

Identity and time

Publication numberOT-2026-000091484 · never reused
Internal UUID01a0ae9c-f16d-7f94-94ad-6117e58aa97d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091484
StatusPUBLIC

Content hashes

Canonical text70abd395a32c5ace619d4efac99ef67d4614169570267e850938b6f4451992ff
Markdown99165a82fa22e491c6302b568a0004762cb72c04cd308d77df18be170fec9b32
PDF
Publication pageeaa9b8506a7354a5997b4e80892637260cfc7bcb3b1518767ed9f545d594fdd6
Manifestb5602ee205b504d021d35979328e206f8a325bb340375722b5f41c8ba2ccd525

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
SignatureNdTQJSaRr0M3BwDD/UWoJ6tlsd9nafF5p2VWZ9/E6jKiFyB+fza+JtD2MgrBDWG4crJUQxlSX2U5Z3Rc+2YbAQ==
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

2026-09-17T09:43:44.264673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091484
observed eaa9b8506a7354a5997b4e8089263726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.247721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091484/manifest.json
observed b5602ee205b504d021d35979328e206f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.230089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091484/publication.md
observed 99165a82fa22e491c6302b568a000476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.211629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091484/publication.txt
observed 70abd395a32c5ace619d4efac99ef67d...
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.