OpenTechnical

OT-2026-000056815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000056815) never changes.

Identity and time

Publication numberOT-2026-000056815 · never reused
Internal UUID01a0ae87-7af7-78ff-aab4-03d033c6f3f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056815
StatusPUBLIC

Content hashes

Canonical textf21fbf46c7952d241a832f30c14bfd9f5fded905f801d7598d59ca761766ae37
Markdownbe903dd78bcd86b2bfafd8fe0bf5d1c3eef5c49ff87a3913a0009e6c4357b8b5
PDF
Publication page1dac9b8a19a8061a32be446e678d847570afdea62a5d011b47def0c13d48a0e3
Manifestac02a7d52328a8cb1461d5e04942bf28fe626b59d45c8cbcaddb5d8165b40197

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
SignatureO0dluPBM+Nte6YcCJghdJVVWsF8FHdMxVqshoEzz1obA4ZfXFf9KdYKfv/w7l09sTSMHFkXnJMSX3Wz4NodSAA==
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

2026-09-17T10:50:18.267282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056815
observed 1dac9b8a19a8061a32be446e678d8475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.248843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056815/manifest.json
observed ac02a7d52328a8cb1461d5e04942bf28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.229259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056815/publication.md
observed be903dd78bcd86b2bfafd8fe0bf5d1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.210335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056815/publication.txt
observed f21fbf46c7952d241a832f30c14bfd9f...
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.