OpenTechnical

OT-2026-000064381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000064381) never changes.

Identity and time

Publication numberOT-2026-000064381 · never reused
Internal UUID01a0ae8d-a461-71aa-b7d1-edd57c773d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064381
StatusPUBLIC

Content hashes

Canonical text9a27ad3aebad23a8b858c10a12017092516fc47fa46bb8af31de0426e99ea0f9
Markdown0330857e0e3e3f8e8be1e33f36f3cb53210cdf6e656d264bbce03276b5ea840f
PDF
Publication pagef07a17945ea58525adaba450f377b3ff2c92171ddb641209f460ce2867104dc1
Manifest9b267cfcc8f3c860ed06345cccc0bfa2629fc8ee660e2b8017abf4183a4463db

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
Signature3+yXlNOA9ZkVhSh4KQPxfRU5JdCf2MYQwC5dHZFt2+Csr725H85PPIVmUHfzXvQQbPPqptcApNuO8MnMln5tDA==
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

2026-09-17T10:36:33.017759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064381
observed f07a17945ea58525adaba450f377b3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.999135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064381/manifest.json
observed 9b267cfcc8f3c860ed06345cccc0bfa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.980904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064381/publication.md
observed 0330857e0e3e3f8e8be1e33f36f3cb53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.962091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064381/publication.txt
observed 9a27ad3aebad23a8b858c10a12017092...
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.