OpenTechnical

OT-2026-000083728

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000083728) never changes.

Identity and time

Publication numberOT-2026-000083728 · never reused
Internal UUID01a0ae98-0417-7a14-b644-d2d7c07cf622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083728
StatusPUBLIC

Content hashes

Canonical text29df08a7f5781577ea789104acb18f5018816510e50aeeee28a1a461daf62762
Markdownd4278da7d414190a19eda1b4e251f2be33e68776ed5fc1b168c11120b44b2272
PDF
Publication page99a080f48f36062575749164900f76ad5905f84850195d94255df8daf3b3950a
Manifestf3367bc5e02b7440969046fd186ac7775f1c654dac1aaf902297670a2e1a1857

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
SignatureGIOXsdt9+IEvRgYGhkzmeMVqBHuN0CMuOOc5JPRiPs0qP9yfTJ6lqy0ZuBWnvNdvmdh6lVmF16+g6ZWaEt1NCw==
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

2026-09-17T09:57:21.709402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083728
observed 99a080f48f36062575749164900f76ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.692011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083728/manifest.json
observed f3367bc5e02b7440969046fd186ac777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.675829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083728/publication.md
observed d4278da7d414190a19eda1b4e251f2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.660123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083728/publication.txt
observed 29df08a7f5781577ea789104acb18f50...
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.