OpenTechnical

OT-2026-000065618

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000065618) never changes.

Identity and time

Publication numberOT-2026-000065618 · never reused
Internal UUID01a0ae8e-46fa-755d-93d5-4dfde522ce0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065618
StatusPUBLIC

Content hashes

Canonical text9d67e07345c76b05787651d27956671b0a8eb94bc4d35c6273dfca4b921a6b85
Markdownb607e16692734b29e6f2abe81cfd0b1f6868544d0ef06a5c8c01cff90a84767e
PDF
Publication page4f5a143d70f7531e1794ef446def6631fa9fda85a929400180d445ad363a9740
Manifestbedf07f8cd67a13384d9066f91bd292c4368c805aa43b74f52b325af664e504e

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
SignatureIRkqyg/GsMfE9yQ9Bi00ap+MsSfx9tE7dTQIIZh1FoAE3V43c6jv0c0cUuLT2KAwGGSzD1J7I/b1qP80+ZMfAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:00.517016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065618
observed 4f5a143d70f7531e1794ef446def6631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.498683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065618/manifest.json
observed bedf07f8cd67a13384d9066f91bd292c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.481766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065618/publication.md
observed b607e16692734b29e6f2abe81cfd0b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.464684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065618/publication.txt
observed 9d67e07345c76b05787651d27956671b...
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.