OpenTechnical

OT-2026-000059138

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000059138) never changes.

Identity and time

Publication numberOT-2026-000059138 · never reused
Internal UUID01a0ae89-8612-77c5-b79a-86cf803dcb6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059138
StatusPUBLIC

Content hashes

Canonical text5d33b691b0d59dcfa06e48e811bc847d541425452745b76bab545b8993298385
Markdown72372b79ccc473d5f4ef181a1b0d9caf3e8c70b1f9547245fa5691bbb6b4cdfd
PDF
Publication pagecf7de6907e1faf1030fb4bd275229c3aa989c3fc99f2cb1d41e96f73121f2ec7
Manifest941b5b4453948ff85d9fcf10377f630af00f7411275b3849dbd4c61a3d87cdfa

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
SignaturegEfeF/t506hp9dJ+0kLBEcOTD3RTHqFIK/SnlwEDNWb8QpkhOng83gboaEo0kDMDAW02x41hZ8xJPgZkyZXrCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:05.063724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059138
observed cf7de6907e1faf1030fb4bd275229c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.046328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059138/manifest.json
observed 941b5b4453948ff85d9fcf10377f630a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.027279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059138/publication.md
observed 72372b79ccc473d5f4ef181a1b0d9caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.009517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059138/publication.txt
observed 5d33b691b0d59dcfa06e48e811bc847d...
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.