OpenTechnical

OT-2026-000081792

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000081792) never changes.

Identity and time

Publication numberOT-2026-000081792 · never reused
Internal UUID01a0ae97-0f74-7e6c-aac2-e3dc541647c9 · 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-2026-000081792
StatusPUBLIC

Content hashes

Canonical textebb191d27d3de37a8d376d2855fc77e29005aea990bdaf6ad042669302545805
Markdownf9f853989ba6a6b3fac3a288b7b152022b4afdbadd728ef2d5acb35d5e42d68c
PDF
Publication page3f8a7256652e9c6a539ea88e4d173fa79a2316441dc115283af7245f20648add
Manifest4f15d4d75746af13dc8b198bfd3c5981d6f102d8b8b0fa0cf7808e5cebad62f6

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
SignaturemdXcVSM3bjp8CKcU9nHf7VC+e0p7CSUtsr/C648qF/eWDHiDd4Rn0rk5Ie2pomJhOWBFLLTJ+rcEfeAo+2VKDw==
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

2026-09-17T09:59:53.456187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081792
observed 3f8a7256652e9c6a539ea88e4d173fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.438692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081792/manifest.json
observed 4f15d4d75746af13dc8b198bfd3c5981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.422001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081792/publication.md
observed f9f853989ba6a6b3fac3a288b7b15202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.406399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081792/publication.txt
observed ebb191d27d3de37a8d376d2855fc77e2...
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.