OpenTechnical

OT-2026-000053803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000053803) never changes.

Identity and time

Publication numberOT-2026-000053803 · never reused
Internal UUID01a0ae85-735d-7396-9e59-128e55212f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053803
StatusPUBLIC

Content hashes

Canonical text95e87a4491d18cc9923971c943c0c99736fba197002012ec473b06942bf75083
Markdown43421bb20fbc194ad8e8a8bfa70f3ebff0a69a09124543f2f23b62c72d542968
PDF
Publication page426e23a70a9af3fbbaa24afbdce0783b9e1a5372c8bc4f0507914b7cd73c5c58
Manifest4c91a8add4e2e6443b7c601af1cea4f91f5cfad745477972a3e51896e8cd1b39

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
SignatureTpe5NcNeqMHxbXailh45ro7KJRHZ88p13hRq9jjsKcA8drzol4vz2V1s00D5f0gs6xeVYjDdv1olSACDK80sAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:31.067091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053803
observed 426e23a70a9af3fbbaa24afbdce0783b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.050112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053803/manifest.json
observed 4c91a8add4e2e6443b7c601af1cea4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.032561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053803/publication.md
observed 43421bb20fbc194ad8e8a8bfa70f3ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.013914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053803/publication.txt
observed 95e87a4491d18cc9923971c943c0c997...
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.