OpenTechnical

OT-2026-000055437

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000055437) never changes.

Identity and time

Publication numberOT-2026-000055437 · never reused
Internal UUID01a0ae86-a101-76ba-99d8-aef121852262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055437
StatusPUBLIC

Content hashes

Canonical textee1806710456a76b58debe7c6bed253259eec2f3a0c49d5c06cac514515b1b1d
Markdown85206848835a12fb16e01b4d55be8bd4dabecc2eaee7177b278a67cd4d81050a
PDF
Publication page3b3a6bb46e7d02f32d4f23e0a6eafc8d49b994f27aada7b20987c493bdbb8e98
Manifest33b8e74a90dd03a7389cd5b0a9d18b5a223dee7f51ade0b7e7dbe965b33c8d4c

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
SignatureR5GnaEgmuOLZPKgrFKKk2RivPGqUoWGjsqshN7QsXCnL8B6LhgiW5pQIUOAEKCxNimcwwB5dsnqG9CP80itCCA==
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

2026-09-17T10:52:05.259614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055437
observed 3b3a6bb46e7d02f32d4f23e0a6eafc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.243151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055437/manifest.json
observed 33b8e74a90dd03a7389cd5b0a9d18b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.225605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055437/publication.md
observed 85206848835a12fb16e01b4d55be8bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.205509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055437/publication.txt
observed ee1806710456a76b58debe7c6bed2532...
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.