OpenTechnical

OT-2026-000090032

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000090032) never changes.

Identity and time

Publication numberOT-2026-000090032 · never reused
Internal UUID01a0ae9c-428e-7e5f-8ae7-4c0f02faa6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090032
StatusPUBLIC

Content hashes

Canonical textd554eb58003fbe72149a07051ad946b118e007348dda2fd004b2426985724789
Markdown0b340cb72b55676868ef79016b22693b41ec7e38234c88f8f7ef25c1cbeb4d8b
PDF
Publication page0d2fb5ba62d2d842f6f8cdacbf697a5168ca3493b42a4f059428f5ad0c32ce83
Manifest2cdd46acfef173092b8532dd4cd2234b597c0a7461605189f64165f741df24d5

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
SignatureNqZaCTsVWkVlHTYwMq4ApgoYrkfPi74/Ua81nodz+xEy+yFcV9Hjk+wtCpT1CuCQyKz+2/UXe2RPeU6w2WidAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:26.050134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090032
observed 0d2fb5ba62d2d842f6f8cdacbf697a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.035099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090032/manifest.json
observed 2cdd46acfef173092b8532dd4cd2234b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.017659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090032/publication.md
observed 0b340cb72b55676868ef79016b22693b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.999066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090032/publication.txt
observed d554eb58003fbe72149a07051ad946b1...
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.