OpenTechnical

OT-2026-000075047

Publication integrity record

Two cup vacuum gripper, two 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-2026-000075047) never changes.

Identity and time

Publication numberOT-2026-000075047 · never reused
Internal UUID01a0ae93-ac2e-7fba-ab8f-67e24ad41e86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075047
StatusPUBLIC

Content hashes

Canonical textf4fc426ba319d85eb713658e584a73250eb6cdad4acc6219805a413cd73b36c1
Markdown7d94d39d1b01f28964ff73663c80ecc9ad302c951dfbb211803604b1d35839d5
PDF
Publication page5f2ed649a95395bf6df01a7b5bbcdfeb8a26450a5005108cd6ad3f5c50b0be6e
Manifestc3c88730401f4b708aee52bbe15323f7d3eab7663ab392309c137ec8cb908e8f

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
SignaturedHh+T8+gPhPunY3hhhq5XCjCj1gvFOhSI7pyVWYjWgkC+5iVTHAFLGdHS0yvvUSJz9U/MCURlBNgVNakuwtHDw==
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

2026-09-17T10:18:51.783465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075047
observed 5f2ed649a95395bf6df01a7b5bbcdfeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.764248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075047/manifest.json
observed c3c88730401f4b708aee52bbe15323f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.749395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075047/publication.md
observed 7d94d39d1b01f28964ff73663c80ecc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.731892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075047/publication.txt
observed f4fc426ba319d85eb713658e584a7325...
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.