OpenTechnical

OT-2026-000004986

Publication integrity record

Vacuum cup gripper, three outlet manifold, three stage ejector, pressure verified, contact triggered

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-2026-000004986) never changes.

Identity and time

Publication numberOT-2026-000004986 · never reused
Internal UUID01a0a92a-1a81-73a5-9e26-534a73a9a7cd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:41:43.940666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004986
StatusPUBLIC

Content hashes

Canonical text2a691ab4707e37e993880db98b9ff9b92b4f483a8c7705b2a546f9bdded982a7
Markdownee67843bd5a3bc31ceccf99e9a273ea1beb6a5de2ff38f7a23b128ead719140c
PDF
Publication page0f10bd842ba36686fe45e045ddf662ae0b602c6abe7a100548e2e4eb2493582e
Manifestd8e017b101b34ae7ebd4df3fb9fb201e48c4b02922b354d2fcb86e9cedef851a

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
Signaturev7NudeFiSpwwBZWlT6OOdYaJztG0fW/oaAE8PDSqUiEVkZl6AZHgXgbRPTvY0k2z4S90gbEIPvGmQO8fpGLJAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:27.916865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004986
observed 0f10bd842ba36686fe45e045ddf662ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:27.905316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004986/manifest.json
observed d8e017b101b34ae7ebd4df3fb9fb201e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:27.893010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004986/publication.md
observed ee67843bd5a3bc31ceccf99e9a273ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:27.880168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004986/publication.txt
observed 2a691ab4707e37e993880db98b9ff9b9...
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.