OpenTechnical

OT-2026-000091467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091467) never changes.

Identity and time

Publication numberOT-2026-000091467 · never reused
Internal UUID01a0ae9c-f16d-7f30-ad29-3f4c4673d349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091467
StatusPUBLIC

Content hashes

Canonical text45f8c753576aa82b2e81ec82cc9d094c5c21bc2c9a2f13311952218fa36e29e2
Markdowne504df09d6ab33ac682ac1208f9d2b6f53b098e8a820d9525322aa7c9fae9d25
PDF
Publication pageb2df1373a2a977edac5e5a964ba2f1d3a2a15053b68ec0cd706d0bc0ab5c0005
Manifest52c0a707d97b06b0b1afae93e6f5b8769251a2dbd83b6b2cbe41e9aa41002114

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
Signaturei9F1GhkfL1UdUGvcXriO+Rka07yfrfIZ69H14/0HTObDPeb0CWRNM2AtIBMVKXz7E3xFjzF3zVb3uAUnpwwDCw==
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

2026-09-17T09:43:43.107363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091467
observed b2df1373a2a977edac5e5a964ba2f1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.087988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091467/manifest.json
observed 52c0a707d97b06b0b1afae93e6f5b876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.070592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091467/publication.md
observed e504df09d6ab33ac682ac1208f9d2b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.052074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091467/publication.txt
observed 45f8c753576aa82b2e81ec82cc9d094c...
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.