OpenTechnical

OT-2026-000087943

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000087943) never changes.

Identity and time

Publication numberOT-2026-000087943 · never reused
Internal UUID01a0ae9b-1aa6-728d-9d66-256406901645 · 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-2026-000087943
StatusPUBLIC

Content hashes

Canonical text46a8cd9a3422b20caa76e6a5b763a2e6ab11c255cf1c2ff05ce05903c8c9745b
Markdownbe4ac708aa012c1274ca3ab26937e3ec5426e080d7433c25f3fe436b1a37a10b
PDF
Publication page62ad1f1697965b10292bc8684f493d634e21c43ee4b0d2fc9b84ccdc5be1d4c3
Manifest1553a36db37e774f73db6c35d5049c5a14d8b975bd8bcf2cec7118e3bde07f11

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
SignaturedY8Cds+8f27ZS415g2yq7YGUuBy6aUmlH4cSuVOxZEZ1Ch3kxrtdmP1s+8+gdUcuzXDI6KypTX7zDQzcw9clDQ==
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

2026-09-17T09:49:09.843480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087943
observed 62ad1f1697965b10292bc8684f493d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.820303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087943/manifest.json
observed 1553a36db37e774f73db6c35d5049c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.799236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087943/publication.md
observed be4ac708aa012c1274ca3ab26937e3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.777456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087943/publication.txt
observed 46a8cd9a3422b20caa76e6a5b763a2e6...
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.