OpenTechnical

OT-2026-000054468

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054468) never changes.

Identity and time

Publication numberOT-2026-000054468 · never reused
Internal UUID01a0ae86-1282-7d51-b597-d3718a9aa1b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054468
StatusPUBLIC

Content hashes

Canonical text856db4ea1db28dfd0ecae54b7471522165bc6de64ce5889b7539b4f4af754ac1
Markdowna28f0d222ed98ac1de16ce0b68d22c6738a84d425994e65882a29e47d3267d62
PDF
Publication pageb736da5fcf50cd1471b188be46a992a49481059bf4640c4787a92dd1a718cb20
Manifest46bd755d428b1ccea8c987c898e0f16d43f90bae02e5d57480c5905cae45f0f1

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
SignatureEwHfY7yuj2NEQWXrqh9D1PXRKv0/ON4HtIdUp1+hC9OT2Yjrxl5OS7hSzsLJ/kaZY2PpwyOH+27ollAXanehAQ==
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

2026-09-17T10:53:27.732061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054468
observed b736da5fcf50cd1471b188be46a992a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.715470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054468/manifest.json
observed 46bd755d428b1ccea8c987c898e0f16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.697714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054468/publication.md
observed a28f0d222ed98ac1de16ce0b68d22c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.680442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054468/publication.txt
observed 856db4ea1db28dfd0ecae54b74715221...
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.