OpenTechnical

OT-2026-000071029

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000071029) never changes.

Identity and time

Publication numberOT-2026-000071029 · never reused
Internal UUID01a0ae91-8c2e-7a05-bb83-8cdabc493a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071029
StatusPUBLIC

Content hashes

Canonical text7476dda9f3f27150f3246a92a9094fa300357a7c7d4d4ded2245520cce040f28
Markdown87c729d8fd18f54f4b004aeaeee9004f4b72ef8ebf2fa1e1bf7b8347b8b692a9
PDF
Publication page9484bb42f9526bf0f62e5007761dc3247b989c521faeadc66827956e938772bb
Manifesta45cf3fbdf5422fa1d0f9d1e47ce096cc1a9b3bfead33155026c1aa3e13a6a1d

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
SignaturetNg2Q5plNwaSQr6+ZNsr7MigWUlsLFlSitVYh97UoIrO7GMKVRbl7kPFJNSB+V9dHgs5LEkKI9FrxHHnfrw0Bw==
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

2026-09-17T10:25:53.022960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071029
observed 9484bb42f9526bf0f62e5007761dc324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.007045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071029/manifest.json
observed a45cf3fbdf5422fa1d0f9d1e47ce096c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.989080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071029/publication.md
observed 87c729d8fd18f54f4b004aeaeee9004f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.973197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071029/publication.txt
observed 7476dda9f3f27150f3246a92a9094fa3...
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.