OpenTechnical

OT-2026-000092831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000092831) never changes.

Identity and time

Publication numberOT-2026-000092831 · never reused
Internal UUID01a0ae9d-b601-7470-bdca-87edd4da6692 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092831
StatusPUBLIC

Content hashes

Canonical textd3d7efdf50d8357419998e0efd11c0a5e6f18a268bbf9d67ee6bdf6bea57aab3
Markdown2493b59f76df2b65f576928223276c2728d499466f7a60ade62fc8d7f03773d6
PDF
Publication page24c917c41a397e679a5a73b1d2346924ad23dc3bee2a34ee633f3ccd1207a80c
Manifesta4e49c0f9333ee00104a92a086f206732a10c3894c8423e5743816abefc8f1b9

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
SignatureSg7MAi2NwG7FPgTpyOuVlFcO1NVYXegSqJp6/qN02zfHy3qSCQsFob7HSthmTSBsvttYnk3SRXqH137oh2QZAQ==
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

2026-09-17T09:41:28.917828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092831
observed 24c917c41a397e679a5a73b1d2346924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.902117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092831/manifest.json
observed a4e49c0f9333ee00104a92a086f20673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.884085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092831/publication.md
observed 2493b59f76df2b65f576928223276c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.865511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092831/publication.txt
observed d3d7efdf50d8357419998e0efd11c0a5...
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.