OpenTechnical

OT-2026-000067859

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000067859) never changes.

Identity and time

Publication numberOT-2026-000067859 · never reused
Internal UUID01a0ae8f-c4fb-7a66-99b7-10397ad24435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067859
StatusPUBLIC

Content hashes

Canonical textef6c9926ed833cd1a912180e2e9a975462688c603ba8b700a8280ab458ca6b0d
Markdown0f5d82e0d86dbd6194ff39ba727fd9ba982ad1016f80b3ee7787d440583ea327
PDF
Publication page8056cdc76eeaa53ac245172fc78032c58819229e3044009dca3eca6da5788621
Manifest495105378eee0e71bd6ab6c50d140f3d97173927c8af14d392f90acb2578447d

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
SignatureF4ZxAIIHvrNRC+kgqztVTxF5rdsAap1BonYPJn3/vm2cPUAPj/p7eX2Z+5u5AScO6JBpR/lEBloO6+NkOkVFDQ==
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

2026-09-17T10:30:14.198053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067859
observed 8056cdc76eeaa53ac245172fc78032c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.178911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067859/manifest.json
observed 495105378eee0e71bd6ab6c50d140f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.155643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067859/publication.md
observed 0f5d82e0d86dbd6194ff39ba727fd9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.138617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067859/publication.txt
observed ef6c9926ed833cd1a912180e2e9a9754...
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.