OpenTechnical

OT-2026-000077977

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000077977) never changes.

Identity and time

Publication numberOT-2026-000077977 · never reused
Internal UUID01a0ae95-2ed1-7f5c-8644-1c854cea535d · 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-2026-000077977
StatusPUBLIC

Content hashes

Canonical text643e35326aedf218107d866f12cf67308f26e8c919da40f00e40315032091517
Markdown13191dba3e19d64b9fc9d89b998389c8505b8739ee189214fffc5181cfd26d58
PDF
Publication pagefd1f43e29f5382da9c8465aa83b7fc2378902376ec3dae72fcaab9d0809190ec
Manifestb95d5d3971ddd3206e707ccef9c74c5b2ca9f5397375a338f5bf8a596bda63c0

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
SignaturerW+nmqsIjh+soof+fdf8xmRXAoS3SS+ASlaqK243yBDLf8tHeFVblAUbUgWs5/jV764tXi+TAwAlJKQw3OlbDw==
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

2026-09-17T10:10:23.520954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977
observed fd1f43e29f5382da9c8465aa83b7fc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.501781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/manifest.json
observed b95d5d3971ddd3206e707ccef9c74c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.482810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/publication.md
observed 13191dba3e19d64b9fc9d89b998389c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.464902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/publication.txt
observed 643e35326aedf218107d866f12cf6730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.718671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977
observed fd1f43e29f5382da9c8465aa83b7fc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.699517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/manifest.json
observed b95d5d3971ddd3206e707ccef9c74c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.680412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/publication.md
observed 13191dba3e19d64b9fc9d89b998389c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.660248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077977/publication.txt
observed 643e35326aedf218107d866f12cf6730...
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.