OpenTechnical

OT-2026-000017781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000017781) never changes.

Identity and time

Publication numberOT-2026-000017781 · never reused
Internal UUID01a0ae6e-96fa-77ba-9154-000777193aba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017781
StatusPUBLIC

Content hashes

Canonical text65c79f3251ec6f33215350169acb850da5c0cbca610a37e5266c0d064ef39b4a
Markdownd5f765c135af9fc79941481ee9f05128c4531b0662f1bd36cc3befb9ea73c847
PDF
Publication page27fe80d9315f54adcdc868065f08e3311bbe8354dd325f6e3087682250fcf62f
Manifest007fc37ca74c0bc29256edd9b0579d1cf1c8e524a5c7f2cf97730a52a89bbdea

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
SignatureB/mRV6mTHiNktFUoA2VkQjXDlYampcAlm7F/kgHVtd35WS9yy2rieuWEx8UV7xxpGq5tdAz4WTwU5sWIPVmZCw==
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

2026-09-17T12:01:44.487242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017781
observed 27fe80d9315f54adcdc868065f08e331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.468665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017781/manifest.json
observed 007fc37ca74c0bc29256edd9b0579d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.447976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017781/publication.md
observed d5f765c135af9fc79941481ee9f05128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.429507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017781/publication.txt
observed 65c79f3251ec6f33215350169acb850d...
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.