OpenTechnical

OT-2026-000075371

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000075371) never changes.

Identity and time

Publication numberOT-2026-000075371 · never reused
Internal UUID01a0ae93-f201-7c2d-91fe-65de716834a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075371
StatusPUBLIC

Content hashes

Canonical textf59cf3fbe30d59bbc9244e3b346144072924d8f56c253910434298fcca3c55f4
Markdown39ce724214377df2c4a21b51df752dcf2de61ac5ac44e0de666b2c43a1e3a84c
PDF
Publication page860b63b1517bfac488493bad0b613dea65684b3e0773e219ba6925ad89a00e0b
Manifestb1478b996e9d3d919a9f22693d9dfc81a9a506af8a34c5fc65eac29f8a599bfb

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
SignatureClahoImASV2xlUnkXoPe8Fs9cFoLUtin15jZa5pKGN2nIhjmR8euF236AtzMQfQxoNhjpsKuGBzO4bj7C+v4CA==
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

2026-09-17T10:17:22.943748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075371
observed 860b63b1517bfac488493bad0b613dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:22.794573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075371/manifest.json
observed b1478b996e9d3d919a9f22693d9dfc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:22.774365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075371/publication.md
observed 39ce724214377df2c4a21b51df752dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:22.720251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075371/publication.txt
observed f59cf3fbe30d59bbc9244e3b34614407...
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.