OpenTechnical

OT-2026-000052211

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000052211) never changes.

Identity and time

Publication numberOT-2026-000052211 · never reused
Internal UUID01a0ae83-e790-7ade-a37b-567470243ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052211
StatusPUBLIC

Content hashes

Canonical text6b2295c345ab9935b7e09a1d3c094c296acddf6cc21b63997ce615273ea1a00e
Markdown40b4f39ffbbee3d3dd8de53eb02474b07e2e52ad61683cb255de60eeb186191a
PDF
Publication pagec0ca559041470e771f6bb5b3d936be4c266a772ee6949ccc8b2bf2630177d190
Manifest71bf06ac2c634c8058ebedd3edbed1ec66aae5be721afd8cef0e053d3cf26503

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
SignatureMbedseFU8JRwWi4mq5eq4tXtW3TJZ8lDOZ5HIBJo3WcaCRsYkHglWxbH8HfB42pdE67hoGDnYL9Gj6wZMTf0Aw==
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

2026-09-17T10:57:46.841731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052211
observed c0ca559041470e771f6bb5b3d936be4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.821870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052211/manifest.json
observed 71bf06ac2c634c8058ebedd3edbed1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.804199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052211/publication.md
observed 40b4f39ffbbee3d3dd8de53eb02474b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.784812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052211/publication.txt
observed 6b2295c345ab9935b7e09a1d3c094c29...
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.