OpenTechnical

OT-2026-000027727

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000027727) never changes.

Identity and time

Publication numberOT-2026-000027727 · never reused
Internal UUID01a0ae72-699a-7c26-80ec-93c9343c876b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027727
StatusPUBLIC

Content hashes

Canonical text5386b7e596923a3942d411ef333b507b1a74256c9c7ff4dedf94a61e4b28ed88
Markdownf632d6d39dae80c3a2c2b62926fd989aa172f9f1fb47c31e2741e98bd33856db
PDF
Publication page991bdbfeec8b2b771e342e074d78c9d7f469003e9a6960c4ab0a5fa7eed01904
Manifestc41651bb64ce33eaf409008ce905d8b275df56d5e105362b3c0cef08167f2171

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
Signaturephonuc/+clwkgaBi/Ar+nzsiuFlTwm5pyWgPdJ7qrOAZbBkqc8/kJthS12CoMF10rqOLmHVHf+lVATTL5YJNDg==
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

2026-09-17T11:43:17.026458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027727
observed 991bdbfeec8b2b771e342e074d78c9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.010077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027727/manifest.json
observed c41651bb64ce33eaf409008ce905d8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.993387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027727/publication.md
observed f632d6d39dae80c3a2c2b62926fd989a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.976777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027727/publication.txt
observed 5386b7e596923a3942d411ef333b507b...
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.