OpenTechnical

OT-2026-000072411

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072411) never changes.

Identity and time

Publication numberOT-2026-000072411 · never reused
Internal UUID01a0ae92-89d7-743e-963f-dcab48080e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072411
StatusPUBLIC

Content hashes

Canonical text30c36521341bf69f6c008ef8e7a5df51bc86f0277f81a9e132dda293531f7d56
Markdownfa63544cd6aafd260872c72d7bdbfe1f0f010d987c290b70d8f18771656658d1
PDF
Publication pagef3645257d4ed58c68d1bbe75b786f8703e23775bfa18dd43824ee71ac36045cf
Manifest9e9c6ef1aee926636a1e813feaf32c2176cf5173bbee370b9918b88a855722e9

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
Signature8aow6kM0NkcSxEPeJMZE80G+QJ8eHkHy4qmC22fV7wBGkTszZhlpn/1Ckug3HmwAZfzY8KfPTfd6PxF9pcosDg==
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

2026-09-17T10:22:13.541206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072411
observed f3645257d4ed58c68d1bbe75b786f870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.524930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072411/manifest.json
observed 9e9c6ef1aee926636a1e813feaf32c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.507096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072411/publication.md
observed fa63544cd6aafd260872c72d7bdbfe1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.490403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072411/publication.txt
observed 30c36521341bf69f6c008ef8e7a5df51...
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.