OpenTechnical

OT-2026-000033306

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033306) never changes.

Identity and time

Publication numberOT-2026-000033306 · never reused
Internal UUID01a0ae75-8980-7f5a-87ab-99ad2b60cd27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033306
StatusPUBLIC

Content hashes

Canonical text4cc41830520794448f6a1e136fa24c47ad9b6c4fffeb98707107512ac9f80300
Markdown62367c74f71442c77517465999d17554fc055d0b97c64bf59b6f285e4b8b8a75
PDF
Publication page6edf58b71cbfc4d1ea69516a4f88211b9a1edb1c68fcbc9e98d3456d5850eee8
Manifestbc5376f7fea15651bff6cb2d6e9b36c01c6e1761e2965865dd000ad9fa1155ca

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
SignatureM5e7LjAfiFOgHVPvVIjJoP/Iq/WcNRU6yrWJ/GefX+DcFhFLUQL2Y8jutf2/yAC+wea0qmWyyvY5vaxetSzTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:03.203891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033306
observed 6edf58b71cbfc4d1ea69516a4f88211b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.186622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033306/manifest.json
observed bc5376f7fea15651bff6cb2d6e9b36c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.164174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033306/publication.md
observed 62367c74f71442c77517465999d17554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.144621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033306/publication.txt
observed 4cc41830520794448f6a1e136fa24c47...
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.