OpenTechnical

OT-2026-000074159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074159) never changes.

Identity and time

Publication numberOT-2026-000074159 · never reused
Internal UUID01a0ae93-7178-7848-bca1-f9a39b4c9409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074159
StatusPUBLIC

Content hashes

Canonical text5f59f97f20b3d73703196ab5fd165513ce365e1ef93e0b0047694ec885394aa2
Markdown8d196ff20185b0f97923814f6118526791df108d9694fe7894a07132fce12950
PDF
Publication pagea63ecc60c5cf32a0272a01e45280b081af053bbd63f0928a0a846bd85e9b7a62
Manifest243386628e9a9707ea31be53157be34d0277d963fe34cd72510ad15356436488

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
SignatureeFtWwwxHTyM6j4rNMqXWmq8IrIa2sSHUoQLR56xs3O+UYeZBumyZxunhQnI1iKWMJVFinHJsBPLwFffLMZ2lAQ==
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

2026-09-17T10:19:00.464574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074159
observed a63ecc60c5cf32a0272a01e45280b081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.448310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074159/manifest.json
observed 243386628e9a9707ea31be53157be34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.432883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074159/publication.md
observed 8d196ff20185b0f97923814f61185267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.417199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074159/publication.txt
observed 5f59f97f20b3d73703196ab5fd165513...
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.