OpenTechnical

OT-2026-000088136

Publication integrity record

Two 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-2026-000088136) never changes.

Identity and time

Publication numberOT-2026-000088136 · never reused
Internal UUID01a0ae9b-1aa8-764b-9eed-b887971dd463 · 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-2026-000088136
StatusPUBLIC

Content hashes

Canonical text9a2c62267e0d8f12e375c1bfe94ac39188806240c6713f8bea35d313d81e5bc8
Markdown9366c79286b482d2f0b76099ee1ecf0726b333ef0d056fa88a36f4b9fd011862
PDF
Publication page2062fd0a51040fb60360d90d1c9fa695ece0373486bad35fb5557939e4d2bb50
Manifest3f799b1d40b6cc377a26f276f1dfc17947dda965faf4d5188727161f9a0963fd

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
SignatureUYYX61XwI/0EL85sjvLqR5eCw1DKesW262FXzXcBXBIDm2XXJX9oCNRIaJ+cyWDxfiPvXjKkHwcsnnzjoq+0DA==
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

2026-09-17T09:50:10.228039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136
observed 2062fd0a51040fb60360d90d1c9fa695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.211515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/manifest.json
observed 3f799b1d40b6cc377a26f276f1dfc179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.194819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/publication.md
observed 9366c79286b482d2f0b76099ee1ecf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.178171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/publication.txt
observed 9a2c62267e0d8f12e375c1bfe94ac391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.532888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136
observed 2062fd0a51040fb60360d90d1c9fa695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.513575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/manifest.json
observed 3f799b1d40b6cc377a26f276f1dfc179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.495444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/publication.md
observed 9366c79286b482d2f0b76099ee1ecf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.471038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088136/publication.txt
observed 9a2c62267e0d8f12e375c1bfe94ac391...
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.