OpenTechnical

OT-2026-000067008

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000067008) never changes.

Identity and time

Publication numberOT-2026-000067008 · never reused
Internal UUID01a0ae8f-14fe-7c08-94df-dc0c52c631d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067008
StatusPUBLIC

Content hashes

Canonical texte9338067928442b5192bdf763ddb9d9249cb71b65a47f851fa59e3851487e1fd
Markdown2e1d32f8213dc9fdd823f7e63e9aa51ad62f76d5a07cd1089f89efa349b7d8f4
PDF
Publication page9147dce683cbc1aaff6041bca18db217b9581d16fee7d65caf85f5cc3f90346e
Manifestcc9ab3e7343f8f20f64a5ebd1c16f051bd088405860ff8ded902ba3c6ff027fc

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
Signature2Iz9CfQr/AuErMS1eYpu0rCvQCZHDeMDmPYucsODPHS0xJCwGdKqoCCmdU28gxo+iFBtfZVNwYggvZrz3f3NAw==
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

2026-09-17T10:32:14.400675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067008
observed 9147dce683cbc1aaff6041bca18db217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.384172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067008/manifest.json
observed cc9ab3e7343f8f20f64a5ebd1c16f051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.366624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067008/publication.md
observed 2e1d32f8213dc9fdd823f7e63e9aa51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.347951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067008/publication.txt
observed e9338067928442b5192bdf763ddb9d92...
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.