OpenTechnical

OT-2026-000012413

Publication integrity record

Three cup vacuum gripper, three 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-2026-000012413) never changes.

Identity and time

Publication numberOT-2026-000012413 · never reused
Internal UUID01a0ae6d-39f6-7ec7-ac6b-d078a10a8120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012413
StatusPUBLIC

Content hashes

Canonical text296aa8eecdf2192f18fa2230297a3b19add05884c319cf18f929256381f3831c
Markdown23bf6e85c5f2ee9a9f35da4163b168525fb13cf808053a2e00ae705a833897bf
PDF
Publication page61f1fda391ba27e7fe728d249b0430cbe73c793ed67b82a519cfd234d7a35c83
Manifest610f83f60e3fcf5e529868ec0e0cfda9e0a62e3f793e11458c286f4297a9c3bd

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
Signature3yfnHzfxKbxYVbNqCezsP+nwYp2ZT3Pez1ZP++Jx2zT7/W1/VhaCXez0ytje90j/YTdunsshKai35seJW9PwCA==
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

2026-09-17T12:11:54.472596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012413
observed 61f1fda391ba27e7fe728d249b0430cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.454476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012413/manifest.json
observed 610f83f60e3fcf5e529868ec0e0cfda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.436027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012413/publication.md
observed 23bf6e85c5f2ee9a9f35da4163b16852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.418603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012413/publication.txt
observed 296aa8eecdf2192f18fa2230297a3b19...
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.