OpenTechnical

OT-2026-000078045

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000078045) never changes.

Identity and time

Publication numberOT-2026-000078045 · never reused
Internal UUID01a0ae95-6e8c-71c0-a254-c7ccbe2e7cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078045
StatusPUBLIC

Content hashes

Canonical textccf1759e5757961c0b12df3551693da89891b9db2d279885381610a79ef5187e
Markdown531c2eb8a4ac18682bca960073611eb577f7081317a0a50dde954bbf513ac8c3
PDF
Publication pagee58205c25b16d83099849b6c26e65516f4b961c62c1fda2eb650bff21cc03d78
Manifestf90a8bc70855ba55db275a431137c3ead5216a8f5414e90d95cf02ef1057cf6b

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
Signature3EDUYcNntr1JQBwTKOM8WjoMz85dKhY77huPrYHZC23X0RS1a7PjdBFiTc7xq3dbqXY0Da2a2z0TTkp8psPODA==
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

2026-09-17T10:06:45.067646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078045
observed e58205c25b16d83099849b6c26e65516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.048476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078045/manifest.json
observed f90a8bc70855ba55db275a431137c3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.029457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078045/publication.md
observed 531c2eb8a4ac18682bca960073611eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.009637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078045/publication.txt
observed ccf1759e5757961c0b12df3551693da8...
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.