OpenTechnical

OT-2026-000078415

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078415) never changes.

Identity and time

Publication numberOT-2026-000078415 · never reused
Internal UUID01a0ae95-7c28-709c-b638-3ebb297517d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078415
StatusPUBLIC

Content hashes

Canonical text04e3bdbae7a01afbacbdcf1f14ff59ca908e4ec5490b5de4b9bb127585c0a367
Markdownbd42f476c77cd78504678f10dc5042bc9171265c1c77bf5e3b53d910b2887441
PDF
Publication page7d455149ae07ab49ff5f3376c2aec8ef11d7d1d1db6a692b348bf6d2084157f3
Manifest09690248fa638b7734f2c5ac6000dd87389a1a718a0ae1740f292f52b306e409

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
SignatureJx6rtO7PGsA/2VRJSE9xGehSKcfBizeLshv+Y8cIC20xDCB+pEJynjaoAc8v2O0a5e5+8IJJypk38EkUbEGSCQ==
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

2026-09-17T10:06:24.468497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078415
observed 7d455149ae07ab49ff5f3376c2aec8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.450473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078415/manifest.json
observed 09690248fa638b7734f2c5ac6000dd87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.431200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078415/publication.md
observed bd42f476c77cd78504678f10dc5042bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.413040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078415/publication.txt
observed 04e3bdbae7a01afbacbdcf1f14ff59ca...
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.