OpenTechnical

OT-2026-000057727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000057727) never changes.

Identity and time

Publication numberOT-2026-000057727 · never reused
Internal UUID01a0ae88-2695-76cd-8001-07d594a86722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057727
StatusPUBLIC

Content hashes

Canonical text59803d3c83a7d76885aed4f7757a38ac355919d21b60c86768c0194e18809c37
Markdown75094e8b3a9fb94ad8698eb92990d658fb21b7d06e3dd11747559527ef19561b
PDF
Publication page3041b2c7395a32a80c49f53259a7cd3545fb9b6a4ece084a63882165f5a43915
Manifest67bcc6b56ba02eb33f08ff20021272eb27cf59b58283a723099af1648a82c73f

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
SignaturezVIxyOiMrR9gBiYpDb5pKJLMLrDtIGbAn1hQI6tQbPl86lMppbsYtlhuGcU5cx1io23hCyJWZgNNS/fwNv7JBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:23.989783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057727
observed 3041b2c7395a32a80c49f53259a7cd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.968431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057727/manifest.json
observed 67bcc6b56ba02eb33f08ff20021272eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.950530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057727/publication.md
observed 75094e8b3a9fb94ad8698eb92990d658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.932355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057727/publication.txt
observed 59803d3c83a7d76885aed4f7757a38ac...
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.