OpenTechnical

OT-2026-000085553

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085553) never changes.

Identity and time

Publication numberOT-2026-000085553 · never reused
Internal UUID01a0ae99-aaac-7add-a3be-8ab152807e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085553
StatusPUBLIC

Content hashes

Canonical text01c9ef09a21890b7c0b8998711b866d00bb7e5ce8e1d14a1baabab2a835cbf28
Markdowndeaf6e92889de16de65119e1fcf5ad5cb22171242a70b43a76774f2c14fa0c3f
PDF
Publication page4522a6667e610457b96bfd117b4d258fc2e96e635aa5dfbce90703c95d109710
Manifest2aec9d85b5abdda85679ac12d9d8ee7d5dbff9a4b321c55439e7d7bc172eca69

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
Signature1LMq3jLjJ15hqmQTelMNX+ra7AD8Gp/sMIx0qFK40OB/TGnHYCRYTphgwCJ7vaTmwNjueHrszs9TH6eun1tCCQ==
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

2026-09-17T09:54:22.404040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085553
observed 4522a6667e610457b96bfd117b4d258f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.387475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085553/manifest.json
observed 2aec9d85b5abdda85679ac12d9d8ee7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.370415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085553/publication.md
observed deaf6e92889de16de65119e1fcf5ad5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.352758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085553/publication.txt
observed 01c9ef09a21890b7c0b8998711b866d0...
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.