OpenTechnical

OT-2026-000062557

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000062557) never changes.

Identity and time

Publication numberOT-2026-000062557 · never reused
Internal UUID01a0ae8c-0ac1-7be1-b0f7-2ddb4500ed84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062557
StatusPUBLIC

Content hashes

Canonical text841a78ca73dcf258cf7046d9063b1a967ba69d95e2258468d40ad83fcd3620b3
Markdown607e95cb005aeafb522c93c299670b3d6d468d0b6475ce8e79f72441f932de77
PDF
Publication page5acd114adcb9331cd646f68448e55cab958e04237ec09fcc81f8fce113cc5fea
Manifest224dd8106d15823226ba409e524959276b9abb04428385a22f73cc71ce5ebb86

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
SignatureBJaOmY8DP9QD+jMJeEdU4NNMYdq7t4tfrZOXARvNL1BFRG2j33Mv2rZ9VT/6FJqaLtx59FRz7wS16wmtdW5BAQ==
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

2026-09-17T10:40:01.811919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062557
observed 5acd114adcb9331cd646f68448e55cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.784791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062557/manifest.json
observed 224dd8106d15823226ba409e52495927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.762844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062557/publication.md
observed 607e95cb005aeafb522c93c299670b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.744121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062557/publication.txt
observed 841a78ca73dcf258cf7046d9063b1a96...
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.