OpenTechnical

OT-2026-000013894

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013894) never changes.

Identity and time

Publication numberOT-2026-000013894 · never reused
Internal UUID01a0ae6d-8dea-724b-87f5-81126cf3fc5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013894
StatusPUBLIC

Content hashes

Canonical textc4841a66ef11444f877cd9070b4ba34ebc18edeb0ae6cd7bcdaadb0a5fe6b9cb
Markdown78907d14c21c3ba46dbe93f52cabb651a3fa658659fde73825f2de7c0b552dc5
PDF
Publication page9fa50462a46779406477195f66f955addafece11324f2b8e973114b3caaa85d5
Manifestf421a80ebfd96203a57604c6a201fd9790097873ce2a0bb3dd0d9318ce4185e4

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
SignaturePYwgDiT9wYrXX80jNBRQY9MR3JqKjPbEY2vHm7YjeVNjKIW/JrX4cXKPQxXjp+KjeM3/7hcqi3jbXZAcAPuYDw==
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

2026-09-17T12:09:01.102780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013894
observed 9fa50462a46779406477195f66f955ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.083241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013894/manifest.json
observed f421a80ebfd96203a57604c6a201fd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.064332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013894/publication.md
observed 78907d14c21c3ba46dbe93f52cabb651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.045931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013894/publication.txt
observed c4841a66ef11444f877cd9070b4ba34e...
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.