OpenTechnical

OT-2026-000089305

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089305) never changes.

Identity and time

Publication numberOT-2026-000089305 · never reused
Internal UUID01a0ae9b-db01-765a-91c3-14192eb80960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089305
StatusPUBLIC

Content hashes

Canonical textb961a159c0348cd55b6289c27799f16427f2478df96ffef1370142a891e909bd
Markdown93a5842bdb7ca0f678054602cebe27a1a18ccec4389f733b21dbc0fbf8d288fa
PDF
Publication pagedde39002235310e0091ae44b7dc4f09f0da5f44fe1bdcfc73d90208a7659af2c
Manifest5b6f08657e230df3bebaa050ab9f8d8e7d5379328f7e9611487b193185b9af82

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
SignatureFF04HvIJ7bmF7lMeu1rpuYX/YsvbfOxhpYbnWm4l+Fxdp5hps5qmsFiuxEpTgFyfj9WteDtYzgEX9jnWIdXuCQ==
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

2026-09-17T09:47:21.306539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089305
observed dde39002235310e0091ae44b7dc4f09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.288937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089305/manifest.json
observed 5b6f08657e230df3bebaa050ab9f8d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.273165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089305/publication.md
observed 93a5842bdb7ca0f678054602cebe27a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.255868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089305/publication.txt
observed b961a159c0348cd55b6289c27799f164...
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.