OpenTechnical

OT-2026-000063084

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000063084) never changes.

Identity and time

Publication numberOT-2026-000063084 · never reused
Internal UUID01a0ae8c-94aa-7af1-b5db-8e9759defdd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063084
StatusPUBLIC

Content hashes

Canonical text9b97943e5d51ddff5f9b6df939a92ed7e96e8e70feadbf7bc7990933f21a64cd
Markdown61b143f5143b98db60261fddc1f15d8147f2e63e6342dd31206bf3e248117875
PDF
Publication pageaf3ef21217f859d7637b1a68d8a5c7e1bc14df3f777002e0e80895686a0a9e3d
Manifestc8a9fad10ce74c18edbea1d875b40086858a21db06a6bd4dd34326ced840b5bd

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
SignaturerIJyIbs0a60R4uBbrsK2CTJoTLmATGHDWg7MQAe5ZXUarfiAayMbgTwpXsbw/bMGHVABnMrWtm2hdb13P+efCA==
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

2026-09-17T10:38:51.275769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063084
observed af3ef21217f859d7637b1a68d8a5c7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.258742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063084/manifest.json
observed c8a9fad10ce74c18edbea1d875b40086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.240412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063084/publication.md
observed 61b143f5143b98db60261fddc1f15d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.221671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063084/publication.txt
observed 9b97943e5d51ddff5f9b6df939a92ed7...
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.