OpenTechnical

OT-2026-000057289

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057289) never changes.

Identity and time

Publication numberOT-2026-000057289 · never reused
Internal UUID01a0ae87-d5bc-797d-97b7-1473b3500400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057289
StatusPUBLIC

Content hashes

Canonical textde5d9fb35c8a15e861d94079f671089f19c0b47abaf541bc85fc7006d24077e2
Markdowna18a14c4380fa24b4725046720e48a8ab89749d3d11a2b5442f55874159a5dfc
PDF
Publication pagee23cca53b25c9d8d712cbff02722d65468d8f1e8a04b067f3f7ee8a6fbea7649
Manifest0433ff0b7189c16704c482c6449348c3d18486f412d8401c929225d98cb8d347

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
SignatureqVz8u+LmegBfGE4jnqQKvKhgZBER2zSIFDh11GuCnyIFCsBATi+2lgFlgAEOTlZb8dt1P9aXQKSWNBiNMZlbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:22.083465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289
observed e23cca53b25c9d8d712cbff02722d654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.065493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/manifest.json
observed 0433ff0b7189c16704c482c6449348c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.043423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/publication.md
observed a18a14c4380fa24b4725046720e48a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.023365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/publication.txt
observed de5d9fb35c8a15e861d94079f671089f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.714419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289
observed e23cca53b25c9d8d712cbff02722d654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.696303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/manifest.json
observed 0433ff0b7189c16704c482c6449348c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.675468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/publication.md
observed a18a14c4380fa24b4725046720e48a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.656251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057289/publication.txt
observed de5d9fb35c8a15e861d94079f671089f...
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.