OpenTechnical

OT-2026-000052715

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000052715) never changes.

Identity and time

Publication numberOT-2026-000052715 · never reused
Internal UUID01a0ae84-a42d-7e0e-be05-da202dc4537a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052715
StatusPUBLIC

Content hashes

Canonical text4ae512a04e7d1fd47b20b495e774dec011c00715ad6b2e5218b27bfcf5c81a53
Markdowne3929764eab0477f90fa86ff2218c19ce2016bc261259ddb79f5b19cb334d1f9
PDF
Publication paged5388ddf9d263a72370d08d81a07fdd5c2e9b4881240e1255c0b6799e000213c
Manifestbf281c7d01293b269b93cf07e992e8eaecb916d6429308a8347571b26436ff88

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
SignatureRhyvOPNlrYhN/zu9h1qqmjmR2ReBLWqoEx9vlh9GJ7LtRNR2tkMZtpeAcAInN74FGGt++uyBXHSmDVpp33O7Dw==
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

2026-09-17T10:55:42.289550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052715
observed d5388ddf9d263a72370d08d81a07fdd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.269864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052715/manifest.json
observed bf281c7d01293b269b93cf07e992e8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.252583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052715/publication.md
observed e3929764eab0477f90fa86ff2218c19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.234381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052715/publication.txt
observed 4ae512a04e7d1fd47b20b495e774dec0...
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.