OpenTechnical

OT-2026-000012649

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000012649) never changes.

Identity and time

Publication numberOT-2026-000012649 · never reused
Internal UUID01a0ae6d-5562-750c-83b2-ca0cfaa9e2dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012649
StatusPUBLIC

Content hashes

Canonical textbda369e19ac8f08d73bfb92827e66022dfb583d14dbe33f549cb60b6b52f8a9a
Markdown8a2ca815ec9c6937b6e410fe59f752a0754d4288aaffc3c9f3ab03e4eb065042
PDF
Publication page5a6a507a98cd832aab9fb4e6b1bbdce450eed04f46f3d12599eb63c67eace7b4
Manifest2dc9d57c715f1f15767a95359b9decbeb22e17c51fc204a499ad9048feb8bdbb

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
SignatureOvr7g5TSzlWXBXNYgHEwK9kRlYW4B0HCs5O6Z58FjiHivYN18G2QMjx1ub/OKd7Ebca68QvXSDY+hIGArj4TBw==
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

2026-09-17T12:10:16.951187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012649
observed 5a6a507a98cd832aab9fb4e6b1bbdce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.931481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012649/manifest.json
observed 2dc9d57c715f1f15767a95359b9decbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.912084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012649/publication.md
observed 8a2ca815ec9c6937b6e410fe59f752a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.891591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012649/publication.txt
observed bda369e19ac8f08d73bfb92827e66022...
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.