OpenTechnical

OT-2026-000050015

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000050015) never changes.

Identity and time

Publication numberOT-2026-000050015 · never reused
Internal UUID01a0ae81-fd78-76bd-91f2-1774e1265f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050015
StatusPUBLIC

Content hashes

Canonical text280104a16e388fa4455f28470de00d8a9e3dc27f19aab5ace5d0009b6fe5f387
Markdown6ade3ddfa8f414a602ffbd1254f89003ba6f728e99da8c72520026a7dc43d40c
PDF
Publication pageee785e04d80cb72ddf224c808ef5273a47dfd805ed53d379b6f243bcfbbefa6a
Manifesta2434d12e15abd6f58c19979336b52a3ba00337c0ad0a511afde5b9bb916ba04

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
SignaturexHPWjQHFukv2RdKIc8KkgfZZbOnh/dwTf8hjtGP4rglMxF6QmjGKeTjXB1atDWDYCisRkruz+m/VXjfId8sdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:58.818491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050015
observed ee785e04d80cb72ddf224c808ef5273a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.795833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050015/manifest.json
observed a2434d12e15abd6f58c19979336b52a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.771566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050015/publication.md
observed 6ade3ddfa8f414a602ffbd1254f89003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.737881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050015/publication.txt
observed 280104a16e388fa4455f28470de00d8a...
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.