OpenTechnical

OT-2026-000075401

Publication integrity record

Four 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-2026-000075401) never changes.

Identity and time

Publication numberOT-2026-000075401 · never reused
Internal UUID01a0ae93-f201-7930-9d4e-2de7b8b3ee7b · 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-2026-000075401
StatusPUBLIC

Content hashes

Canonical textbafabd0ffbd435d6fa2cbe92f072d93ec23ad516914c38ccccc759212c16bcfc
Markdowne9da75e60c1f98a8fd3118c499adb2d63e699b0ea9a83804420f5b865a2d9459
PDF
Publication page729626bb60f9acd449d75220448cfc6d4d5a4f0cbcc775300121d59fb5077068
Manifest0f64a16e83dd0628144a219b5271f1667cf46831a7eb751ce123fd9bae3a79b2

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
Signature6y3eqYCEsEtib2jnTAGT1P2z+wpG+G/AnG/vqupUeuIAvDM64NsZnsriDjev3yJINiD6ga23wlXoGFIqJJr4AA==
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

2026-09-17T10:17:30.242490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075401
observed 729626bb60f9acd449d75220448cfc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.223796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075401/manifest.json
observed 0f64a16e83dd0628144a219b5271f166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.203295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075401/publication.md
observed e9da75e60c1f98a8fd3118c499adb2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:29.808158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075401/publication.txt
observed bafabd0ffbd435d6fa2cbe92f072d93e...
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.