OpenTechnical

OT-2026-000076705

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076705) never changes.

Identity and time

Publication numberOT-2026-000076705 · never reused
Internal UUID01a0ae94-b06f-72fb-9792-89ba472953c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076705
StatusPUBLIC

Content hashes

Canonical textc7875bbe6468895457f53d480233bf29096b025b874d9346c08f4d67b714ed46
Markdown89e1674bc01b8a6a4981e3cf7dbe768cb243354e2a9463c0dab7b5a20b4076e2
PDF
Publication page0a0248a1af3fa2a7dc26ec72a02961bf49e1ceaf925260de374103eb8614e8b9
Manifest20372a83d2ada58c76783224427db65931bc7a698abfcdcde1a0162e4ae471d8

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
SignatureB5I05vq/fuJoZ6bfpNBwATIKKq7Tq35MJHvUQ4jH6ZHx/0A5IWGxa5Kf7a2A81WqmKJt/ENO+yHQEPe6W/21Bw==
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

2026-09-17T10:09:28.257018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076705
observed 0a0248a1af3fa2a7dc26ec72a02961bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.237987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076705/manifest.json
observed 20372a83d2ada58c76783224427db659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.218124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076705/publication.md
observed 89e1674bc01b8a6a4981e3cf7dbe768c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.199203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076705/publication.txt
observed c7875bbe6468895457f53d480233bf29...
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.