OpenTechnical

OT-2026-000005498

Publication integrity record

Porous face vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000005498) never changes.

Identity and time

Publication numberOT-2026-000005498 · never reused
Internal UUID01a0a93a-f534-7487-8380-714ab5f07927 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:08.621953Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005498
StatusPUBLIC

Content hashes

Canonical text9d9e5b9279737ea0b022d81a4b5f1f84d5ca1f8e71ce514259c1a8b01ae226a3
Markdown2b72bbc7b32c15f2d0d9b632b92257727e3cf51a97cef7acd641538a9cac6b52
PDF
Publication page46ac056620be84143075b83ce130e77b14681c6c6f84e81e43e62a3fa960c971
Manifest694c6923a93d0b9aee8bbf5323155982adda9f6b06c6fb4a054ef3d93a5c1409

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
SignatureFkuBEcvygttou3u5UAYfWKgZCgrr/JZcpVKDXglk7vRqIUUqXToFlOcBSbWnInGoiJko1ohv75A2TJQAe6M9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:33.692712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005498
observed 46ac056620be84143075b83ce130e77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.680785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005498/manifest.json
observed 694c6923a93d0b9aee8bbf5323155982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.667841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005498/publication.md
observed 2b72bbc7b32c15f2d0d9b632b9225772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.653097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005498/publication.txt
observed 9d9e5b9279737ea0b022d81a4b5f1f84...
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.