OpenTechnical

OT-2026-000078007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000078007) never changes.

Identity and time

Publication numberOT-2026-000078007 · never reused
Internal UUID01a0ae95-2ed1-79b8-93d2-94179f460a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078007
StatusPUBLIC

Content hashes

Canonical texta3d73183883c7b060a768e7817b84e2e6c473aa231c7d0f5489b0739c820a9b7
Markdown96938d77a6e2b287f44d7ce753d77734614980b9aed5a1f1d8f0cfc4585bcb49
PDF
Publication pagea59f4cc7cc5040ee49247edc7b167dbd0213fb3653d7d1e5e64680042128e43a
Manifest691c872f794c777c3eeb1b8d8946c854c65ba77bb6a3ac03640c04742ef32b58

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
SignatureAFfw1snCD8nkF8dFjOh+0q2e33V7hBluaJmCqRzLrydi+io1KDcMv5nM3X65s4x3hudhTBhpksuNt0FcTAUBDA==
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

2026-09-17T10:10:29.474065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007
observed a59f4cc7cc5040ee49247edc7b167dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:29.453372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/manifest.json
observed 691c872f794c777c3eeb1b8d8946c854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:29.307252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/publication.md
observed 96938d77a6e2b287f44d7ce753d77734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:29.285839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/publication.txt
observed a3d73183883c7b060a768e7817b84e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.694977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007
observed a59f4cc7cc5040ee49247edc7b167dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.676618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/manifest.json
observed 691c872f794c777c3eeb1b8d8946c854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.656524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/publication.md
observed 96938d77a6e2b287f44d7ce753d77734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.638406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078007/publication.txt
observed a3d73183883c7b060a768e7817b84e2e...
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.