OpenTechnical

OT-2026-000014004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000014004) never changes.

Identity and time

Publication numberOT-2026-000014004 · never reused
Internal UUID01a0ae6d-8dea-770f-a614-82c41512f0e2 · 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-2026-000014004
StatusPUBLIC

Content hashes

Canonical text276437a62acfbdabe3e4091b04fc43bdc3159262b04673944744be1bdff2654d
Markdown9505e24a55c610a81a3aae767bb1076c7611fb6da1fb9eb8bd18a0fc1e86dd42
PDF
Publication page77f070205236e98788eb167f4c5bc044df77a795f3c1bb698c01f501d08edf62
Manifest18aa19b5657ed81e8971d9b4c27e100c3135acee5e5dc30935c75af027b7ef7a

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
SignatureGY7Cn9PK0GP/UPeqwfqw61O/EopKTZS7EAA/Ml1ixxbFooBA5cj+Z8b1rzKRU82kMTzk2Ahv8+ZwWvNcq3c2CA==
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

2026-09-17T12:09:13.627212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014004
observed 77f070205236e98788eb167f4c5bc044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.607188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014004/manifest.json
observed 18aa19b5657ed81e8971d9b4c27e100c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.589649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014004/publication.md
observed 9505e24a55c610a81a3aae767bb1076c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.571124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014004/publication.txt
observed 276437a62acfbdabe3e4091b04fc43bd...
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.