OpenTechnical

OT-2026-000075023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000075023) never changes.

Identity and time

Publication numberOT-2026-000075023 · never reused
Internal UUID01a0ae93-ac2d-7af4-8666-fc48ebaed3af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075023
StatusPUBLIC

Content hashes

Canonical text8d2581eb545ada91751efb8f11f8e85e431da31b6fec57087e036d30d77f1139
Markdown51c66d635641c4561ccfe3f7d4dd090623d1590e5e759d4b1ad37fbe6e6c3fde
PDF
Publication pagefde9e2a4b8fb048db63391b7ac1beaaefb7904380ddb326da5306440814bb4b6
Manifest2954f7abfb125c17686ed48a7292dcbeeebfb05b3f0cf65aff7481b16f50c3a9

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
SignaturewnXphZy022Gjcx/BqDuf7fvJ5MWbxox8HpoDKHlJ3oQT9vbtBloIllKtu57ZS52YWZdfXzoIanSjoZE3H36lAw==
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

2026-09-17T10:18:50.161374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075023
observed fde9e2a4b8fb048db63391b7ac1beaae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.145153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075023/manifest.json
observed 2954f7abfb125c17686ed48a7292dcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.128836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075023/publication.md
observed 51c66d635641c4561ccfe3f7d4dd0906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.112448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075023/publication.txt
observed 8d2581eb545ada91751efb8f11f8e85e...
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.