OpenTechnical

OT-2026-000087829

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087829) never changes.

Identity and time

Publication numberOT-2026-000087829 · never reused
Internal UUID01a0ae9b-1aa5-7a38-9b96-3ffd0cf3d13e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087829
StatusPUBLIC

Content hashes

Canonical text09e46751a2c222459b7740ab0e50e9b69200b1dbfd0e53d35cf024719efc0274
Markdown2efc7e07e787b30f35b2b62bc3d4b8f4d94ceffbb233db904d2d6af8ef76df0c
PDF
Publication pagebe1f368dc65de7d938467f8f912d9a6f5e9e72510fedf8050cb8262bb0ef6759
Manifest086f7dedd44c6b5f0586dc5bb57701ded8c659e2bc186d47a3435a75182a31aa

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
SignaturebhDvoVns+JqzfP0fWMwxFEWLmxTis4M6dA4g2LaM3NsnEJmnvXGMoueOgr6+aeTmwmULtc6h4fKHj/WaBQSrCw==
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

2026-09-17T09:49:04.185406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087829
observed be1f368dc65de7d938467f8f912d9a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.166399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087829/manifest.json
observed 086f7dedd44c6b5f0586dc5bb57701de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.148832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087829/publication.md
observed 2efc7e07e787b30f35b2b62bc3d4b8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.129847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087829/publication.txt
observed 09e46751a2c222459b7740ab0e50e9b6...
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.