OpenTechnical

OT-2026-000020902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000020902) never changes.

Identity and time

Publication numberOT-2026-000020902 · never reused
Internal UUID01a0ae6f-65e3-7789-acfc-74dd951b4acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020902
StatusPUBLIC

Content hashes

Canonical text04b14b772e6084498ba965ee121199c34f746a9a87fbcaed76e4ffa15065b66f
Markdownd6707c6d32df8392b6b2b9041194c421437193c2c4d6737aa994f086fc7a2daa
PDF
Publication page95f5e0f4a885a5e12818cd373722b862b2a44a9440d479ce386970a7b83a3329
Manifest4a921b0c347c8ea2e4408b9db885c4aebfdaf7c1b0996681d3c488438bd149c0

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
SignatureaZlYw7ipZSjB2Lm9BPIBGoaFVqhdKP7k4lYBdiVP2sz+jFygzHuY8oRy7udxUdUAYaF0YSs0lYr+M5XTbnRvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:01.140358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020902
observed 95f5e0f4a885a5e12818cd373722b862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.119707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020902/manifest.json
observed 4a921b0c347c8ea2e4408b9db885c4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.100550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020902/publication.md
observed d6707c6d32df8392b6b2b9041194c421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.080207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020902/publication.txt
observed 04b14b772e6084498ba965ee121199c3...
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.