OpenTechnical

OT-2026-000021424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000021424) never changes.

Identity and time

Publication numberOT-2026-000021424 · never reused
Internal UUID01a0ae6f-865d-734b-88f9-1e2b114bf059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021424
StatusPUBLIC

Content hashes

Canonical texta97ee9d008bc4cad1f2fa4a790d5aee24e2feb066f3e6522e38fdb64a7e403d6
Markdown5b9ec842f64aeb444594f65cc34df08d253314758919b5093b10211a032d3da6
PDF
Publication page672a08553910733e40432651415b8039084c5c5690f2d995e48f4af234ac3435
Manifest7413a67f1edb9ca1030b3d10f1a918313b691ccd8a985c58df57080f9fe5c5ee

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
SignatureGO16nhZpjPq/VDPipOmHsocTbF/BCPpOjlgxwTNPsiu9a/FK/Wg88MmXTh8ybWH+k5sHX+0D/W3mSxiOxu2/Cw==
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

2026-09-17T11:55:19.551831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021424
observed 672a08553910733e40432651415b8039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.531995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021424/manifest.json
observed 7413a67f1edb9ca1030b3d10f1a91831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.514414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021424/publication.md
observed 5b9ec842f64aeb444594f65cc34df08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:19.495763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021424/publication.txt
observed a97ee9d008bc4cad1f2fa4a790d5aee2...
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.