OpenTechnical

OT-2026-000085144

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained 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-2026-000085144) never changes.

Identity and time

Publication numberOT-2026-000085144 · never reused
Internal UUID01a0ae99-43b9-7101-bc21-f8c52889ef4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085144
StatusPUBLIC

Content hashes

Canonical textcb3af1f887a3bf13d5f15a48ca959ec39f371ab24690aa3d95bebfca149ee187
Markdown2ca8835393c47fe341da456d0c147e51f3c1db24489a3a8598d4eabe7b22a1ba
PDF
Publication pageb4975308ec24038f8a506b6f14c0e800a39797954d7c07a28737053d934e7333
Manifestead021b975fb0a279efe851fe836fb30040f23650659949c73ce4675ac641a36

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
SignaturelMYjkADcojFUQhyevnL59JXdy74wC7OO1KBnSvZr+yObQrsOK2UxXrwzIxaxyE1tArhbVFpzZAvSkJGwCcAGDA==
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

2026-09-17T09:55:13.386440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085144
observed b4975308ec24038f8a506b6f14c0e800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.369825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085144/manifest.json
observed ead021b975fb0a279efe851fe836fb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.352205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085144/publication.md
observed 2ca8835393c47fe341da456d0c147e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.334437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085144/publication.txt
observed cb3af1f887a3bf13d5f15a48ca959ec3...
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.