OpenTechnical

OT-2026-000050583

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050583) never changes.

Identity and time

Publication numberOT-2026-000050583 · never reused
Internal UUID01a0ae82-5c49-7a31-9530-8515b0490cac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050583
StatusPUBLIC

Content hashes

Canonical text4065b5ed243d1f21524f2d9da37d8c0e8769b5d1df833ec85250eaae434d959d
Markdowncd5c133cf0e1d998e089b1cfbb904dc6b445767666d019ecb39dfb52529b248a
PDF
Publication paged0a60a3cba0cefa72fa4dc526c5053895309424c98fa818def2c3e056cfdad80
Manifest707d6184bff48e100e40a03e73d67aab950ed2c6d1d90205eb01f819ccab55b7

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
Signature+rk7mt9/bPLOH4f8xb3jVPIQsvdk8L0w+/FUoww8e03KFEAKLoj7kgWMmMvUZMqB56TQ1DQGPSm6unMn6kOSDw==
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

2026-09-17T11:01:41.154343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050583
observed d0a60a3cba0cefa72fa4dc526c505389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.130441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050583/manifest.json
observed 707d6184bff48e100e40a03e73d67aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.114115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050583/publication.md
observed cd5c133cf0e1d998e089b1cfbb904dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.090949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050583/publication.txt
observed 4065b5ed243d1f21524f2d9da37d8c0e...
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.