OpenTechnical

OT-2026-000025918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000025918) never changes.

Identity and time

Publication numberOT-2026-000025918 · never reused
Internal UUID01a0ae71-a83f-743d-a403-ce74e064b57d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025918
StatusPUBLIC

Content hashes

Canonical textd739398e7093be98511c92ebc6775c347655a4d800f5edc5d56026a67e00a2cd
Markdown4ccae924fabe8002a9a6850d23647b812a6fb86c99ee21b7b0157b8a2911efde
PDF
Publication pagea86533eb6df35e7d17e6b047435f4a706c8106ececd0cb61ef5fdb4f6bb72bf0
Manifest6caee7287acc3eb843857dae1e7e1972aed4d8d85bf976c458cd3e179d1ecde8

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
SignatureQTwm49qTYMbjrN8J2lBWQzeW5Yr4LCAhcx2r6rRC2gbtAl1mSoubqww7R6jW6ERJEkOoSyaBSZKDr9nfCb2cBA==
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

2026-09-17T11:46:16.270027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025918
observed a86533eb6df35e7d17e6b047435f4a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.252546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025918/manifest.json
observed 6caee7287acc3eb843857dae1e7e1972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.234171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025918/publication.md
observed 4ccae924fabe8002a9a6850d23647b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.217014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025918/publication.txt
observed d739398e7093be98511c92ebc6775c34...
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.