OpenTechnical

OT-2026-000082930

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000082930) never changes.

Identity and time

Publication numberOT-2026-000082930 · never reused
Internal UUID01a0ae97-8cca-78c7-92e3-89efb4c17f77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082930
StatusPUBLIC

Content hashes

Canonical text32524249cb89ebb7726ecd10883b6b45fa37dbd334222603018a9a6e8e0c5975
Markdown075c7046054fcebd8779351cf4cf0465078d0b7edc798653054c28b274b55586
PDF
Publication page9d70bc4b35fbfd871cf1457ccd21259792573337969af4d164304ce432be6a2f
Manifest1a65df28546125394fee52489a9c5d273c2a299c2c0989b7e5e587386c0f9824

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
SignaturejiHO2/yE/tSm0+ECHIGGPQUhYaBa3/Hl3BVbIhD306JZWwXucajBDx29Yyrz7K/g9UTVr3pwXjcoajf/vYDiBQ==
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

2026-09-17T09:58:37.394193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082930
observed 9d70bc4b35fbfd871cf1457ccd212597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.377115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082930/manifest.json
observed 1a65df28546125394fee52489a9c5d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.362074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082930/publication.md
observed 075c7046054fcebd8779351cf4cf0465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.346727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082930/publication.txt
observed 32524249cb89ebb7726ecd10883b6b45...
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.