OpenTechnical

OT-2026-000072905

Publication integrity record

Foam pad vacuum gripper, four zone face, four 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-2026-000072905) never changes.

Identity and time

Publication numberOT-2026-000072905 · never reused
Internal UUID01a0ae92-c814-795b-bd04-45dcbf3b9b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072905
StatusPUBLIC

Content hashes

Canonical textaee80a083a7d1e85e8ba630b82991a7515c8366dc1b60f0b80ff2ba1b75cd7fa
Markdown658195487bb27e9f21538221f0f8ca587278e10d152451f612b8bfcafc8bcc1f
PDF
Publication pagea8267bbc492cf4ab140063ff9b2753bb0ac802c71cf8a84dc7792058968ce4dc
Manifest7c9748d968a924a7889383fbcba042c9f184dea637700e813740b271a3151f74

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
Signatureb5AElydecFWOPQFeptkXgMS6npFxzv8MgnIRT8gNNwoCHF8jOwKIHeyP2PaEFeP3z2t9worHF34NBHmekP4SBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:48.858808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072905
observed a8267bbc492cf4ab140063ff9b2753bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.834367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072905/manifest.json
observed 7c9748d968a924a7889383fbcba042c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.816076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072905/publication.md
observed 658195487bb27e9f21538221f0f8ca58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.798203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072905/publication.txt
observed aee80a083a7d1e85e8ba630b82991a75...
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.