OpenTechnical

OT-2026-000054136

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-2026-000054136) never changes.

Identity and time

Publication numberOT-2026-000054136 · never reused
Internal UUID01a0ae85-b3a8-7c4e-ae03-2abec5fff609 · 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-2026-000054136
StatusPUBLIC

Content hashes

Canonical text2253ecb5a162041bacf492e28df510a2a6d88cca0f3a5763470755dc118296cd
Markdown51847e2be7c414d503e152b46c5ed6d3fda498607463b029a319a06a873fe262
PDF
Publication page77f423df557ca054298c7497be184f9c2cc1c8e63f0ef7f4e558591d30bfd191
Manifestd6df28d6de51a450f2a476f2307105522a6645400911315a3c0c0c77c2a4c6e7

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
SignatureTgWu+UtANbTN4fzSGIA5wNzMOMaDfVVIux+A/7Gnzd9KmYIiYr+tDSyVCR3xYS41glrrON9cdmnord+RlfCzAw==
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

2026-09-17T10:54:34.000856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054136
observed 77f423df557ca054298c7497be184f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.979477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054136/manifest.json
observed d6df28d6de51a450f2a476f230710552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.959467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054136/publication.md
observed 51847e2be7c414d503e152b46c5ed6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.939965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054136/publication.txt
observed 2253ecb5a162041bacf492e28df510a2...
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.