OpenTechnical

OT-2026-000046190

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000046190) never changes.

Identity and time

Publication numberOT-2026-000046190 · never reused
Internal UUID01a0ae7e-032c-75c2-ab9c-e6f2e96b5e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046190
StatusPUBLIC

Content hashes

Canonical text3b5052e2c64aada1d1595055864be3b2ba44e2258ff763c9ea3d3786e4ced82f
Markdown4fc31f8bb043c518ae257c636a884ff99ad48401a7cff32d6cd61c14b200ab55
PDF
Publication page4ff40591950a19e3bd3829a5fd90fefd4b6f8922621760df060596ff335c2eb4
Manifest4b8e6f8334dd127a3c79c7ce596cdc340454399449cb527c93e8d9736c8978dc

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
SignatureZGPYQyx80crSeeAFUTeiuKezOuwSmcggcmeLgK9spT72RvK2tV0bbpyu0B3IGjnBv+Ajr7TKmowpxvkHQC0HDA==
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

2026-09-17T11:09:12.095860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046190
observed 4ff40591950a19e3bd3829a5fd90fefd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:12.077433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046190/manifest.json
observed 4b8e6f8334dd127a3c79c7ce596cdc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:12.058676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046190/publication.md
observed 4fc31f8bb043c518ae257c636a884ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:12.040916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046190/publication.txt
observed 3b5052e2c64aada1d1595055864be3b2...
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.