OpenTechnical

OT-2026-000014381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000014381) never changes.

Identity and time

Publication numberOT-2026-000014381 · never reused
Internal UUID01a0ae6d-b27a-7ff4-bf8c-19772c299bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014381
StatusPUBLIC

Content hashes

Canonical textd6ca0d2bbc6ca87b62258b8b97d9f5a5fee92f69c24325810411b4f52075b75f
Markdown207216c82165d5bfe21246c6581e8e8f59e3ac23a620635a4255b85b26c0925d
PDF
Publication page417ddbb7eb1802c8160d82dc83905ba081ace7e4a1c557782ffb42b3ade9093f
Manifest7ba9a12a5302a6469bb2cb5d04aaedf6c4be4dea07ddc002322b5ff0fd8c5f38

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
SignatureUAptz6mTUzXVPoMPAA7EVgACeklPBm1w+r7QMAI8mX5PoCJxak3TTuVPu7HouOP/2fLelBWV4+pcuDmTvZIjDQ==
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

2026-09-17T12:10:08.020653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381
observed 417ddbb7eb1802c8160d82dc83905ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.997126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/manifest.json
observed 7ba9a12a5302a6469bb2cb5d04aaedf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.976308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/publication.md
observed 207216c82165d5bfe21246c6581e8e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.957784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/publication.txt
observed d6ca0d2bbc6ca87b62258b8b97d9f5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.988214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381
observed 417ddbb7eb1802c8160d82dc83905ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.968350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/manifest.json
observed 7ba9a12a5302a6469bb2cb5d04aaedf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.949185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/publication.md
observed 207216c82165d5bfe21246c6581e8e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.929638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014381/publication.txt
observed d6ca0d2bbc6ca87b62258b8b97d9f5a5...
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.