OpenTechnical

OT-2026-000019450

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line 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-2026-000019450) never changes.

Identity and time

Publication numberOT-2026-000019450 · never reused
Internal UUID01a0ae6e-f393-7f9e-8e9f-9bc5331ae200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019450
StatusPUBLIC

Content hashes

Canonical texte161f97c4f6e0a5459a4ecfddcad92469058a12feeb78ec2ccb29bdb75b1dbd7
Markdownb4e5c2ac8f77733df3ac8c8f1f522f64be027d14b3e1eaeacafedaba8ee0775d
PDF
Publication pagefd028f5870e17b2a7d6f954c34bb83747df183d9b53cae13d5628c886d0305bf
Manifest65de66e55cba0cc14e428d44e3df976f9a6baea1f06ac4640cfb80704c26e1b4

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
SignatureFIHMXoMBHiG42sBJ01dhRfwTzLRdCnC0iaOkjn0GEj5f8crxAcpnQzKVBEfw1JN5deFRsofoQKRrIyMtOQkYBg==
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

2026-09-17T11:58:51.071779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019450
observed fd028f5870e17b2a7d6f954c34bb8374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.054229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019450/manifest.json
observed 65de66e55cba0cc14e428d44e3df976f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.036373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019450/publication.md
observed b4e5c2ac8f77733df3ac8c8f1f522f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.017445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019450/publication.txt
observed e161f97c4f6e0a5459a4ecfddcad9246...
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.