OpenTechnical

OT-2026-000092827

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-2026-000092827) never changes.

Identity and time

Publication numberOT-2026-000092827 · never reused
Internal UUID01a0ae9d-b601-70bd-bf94-2d4c4e37321e · 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-2026-000092827
StatusPUBLIC

Content hashes

Canonical text5670af4c88ee0982c7234b6395a537c319e93fa0a07056a5f2dfa24616c35697
Markdown2d8fb90491faf862461edac474d7d7928cfe3b592b8d9b98bd46defa09a876fd
PDF
Publication page91410b6fc2db3de3d3c08f119d91fa35307587a24bb92379a8226e73bbfde817
Manifest37f9f969163ebf2766125122bd0ebd101b775d90b1dbd024a7ec41aa5a23707c

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
SignatureJ4UMC0xHGsUWi2uHRsqnW5sRp23pm8xsWN3DRpINvbizgOvSqg00tT3WotlAIcgjc/PcVaMk0G57015KgjCwCQ==
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

2026-09-17T09:41:28.616901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092827
observed 91410b6fc2db3de3d3c08f119d91fa35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.598554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092827/manifest.json
observed 37f9f969163ebf2766125122bd0ebd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.581833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092827/publication.md
observed 2d8fb90491faf862461edac474d7d792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.565730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092827/publication.txt
observed 5670af4c88ee0982c7234b6395a537c3...
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.