OpenTechnical

OT-2026-000081642

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081642) never changes.

Identity and time

Publication numberOT-2026-000081642 · never reused
Internal UUID01a0ae97-0f72-7099-b2c0-f1e77bad07cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081642
StatusPUBLIC

Content hashes

Canonical textdcc3899e23739f7d00bc5b6ceb7e1b2361eb3cfdb24a98575c7c0125cf91a60a
Markdownfc23731f05b7f86160d1337337363559de69b3a087cad72807dcb309895c44ff
PDF
Publication page7e21f0bf0ab4b22e31359cf3b68a5c1a372c85d53bad24213488e44edbaad173
Manifest27d74c293ae27767027b5c8ebb87af2d546e393eac520bce609ffde32c591624

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
SignatureDRMfYZKoUblftMxafHSIwdQl61midmf1OXXpTvWd+L6BAEJuQftY98KVHhempzruJkTRBdkPWsnJkyFZZspBCg==
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

2026-09-17T09:59:41.621423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081642
observed 7e21f0bf0ab4b22e31359cf3b68a5c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.603501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081642/manifest.json
observed 27d74c293ae27767027b5c8ebb87af2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.585494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081642/publication.md
observed fc23731f05b7f86160d1337337363559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.537612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081642/publication.txt
observed dcc3899e23739f7d00bc5b6ceb7e1b23...
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.