OpenTechnical

OT-2026-000053493

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000053493) never changes.

Identity and time

Publication numberOT-2026-000053493 · never reused
Internal UUID01a0ae85-0a91-7438-af9c-e3ded0fd91e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053493
StatusPUBLIC

Content hashes

Canonical text932997cbb44a656802874b492d6cd7f02290eb42219def500b8c24cbdb474cd4
Markdown24663051c8e8c6594be12052b10c9153b2e8f38ca1dbf16ec5ef8b2cead3efca
PDF
Publication pagee56fb2139d2efa913fc0bb8f07d61773fa2c0ca0531d8045f791c10adf9e7e53
Manifestbe31a935029de63f97f52c9cec8bdda57e9dbd21746631b5c5ef864426276410

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
SignatureV1NTk/f/PdbmyaIzvc65QHWtJA79pIfonL29u2cI5L2CLB/tIl0XO7iT2IerG9xhiVkhEezaZOB7kQ7iI2ugBQ==
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

2026-09-17T10:55:19.967176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053493
observed e56fb2139d2efa913fc0bb8f07d61773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.945184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053493/manifest.json
observed be31a935029de63f97f52c9cec8bdda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.927122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053493/publication.md
observed 24663051c8e8c6594be12052b10c9153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:19.909007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053493/publication.txt
observed 932997cbb44a656802874b492d6cd7f0...
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.