OpenTechnical

OT-2026-000054140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054140) never changes.

Identity and time

Publication numberOT-2026-000054140 · never reused
Internal UUID01a0ae85-b3a8-7d26-a397-b108034fbcc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054140
StatusPUBLIC

Content hashes

Canonical textf4030d375ac0c8caa97541eed31f76d5f3e9d9c4715f3e9a374f4a677256c7f4
Markdownfc3777c73e6febc4189751e4395b9ee5283e81db9b201dcba9592b0c576de789
PDF
Publication page4a90380fac5b4e95ad552065387907b42165697261c8e4df336026c1813c4d4c
Manifest5b97c1c7d3f0e2d87921cd528f02b828063fc74889ab8de9e452e5a50abe52c5

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
SignatureJa3TEnQcZse3R7689OkP+w6IlgA/agRgPs6lVfvdRVJllEBub00Gycu+nI8rjwuGzhaEJIKSUX/P+ZEkBrB4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:34.366415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054140
observed 4a90380fac5b4e95ad552065387907b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.347329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054140/manifest.json
observed 5b97c1c7d3f0e2d87921cd528f02b828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.330423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054140/publication.md
observed fc3777c73e6febc4189751e4395b9ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.313884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054140/publication.txt
observed f4030d375ac0c8caa97541eed31f76d5...
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.