OpenTechnical

OT-2026-000050461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000050461) never changes.

Identity and time

Publication numberOT-2026-000050461 · never reused
Internal UUID01a0ae82-5c48-7d2b-9725-15e141f6eaa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050461
StatusPUBLIC

Content hashes

Canonical textf3fa14ca0bd7832d1b070a6d3c29c20d612e83be88af9e2137213b102e18ea9f
Markdownc2b49dad1d5553f91cd411519fd2525633fd945b3cf706042f4591fd8ed43b3e
PDF
Publication page0de2151f331e7b190e4782b17caa2ab56951acedc550299efc26356c3c51e60d
Manifestda78656fb868fb0e8dede80a8108e2d83b692ae7b0c22d68f71dd3a103ed5bf6

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
Signaturecn5HAYObI51DeM3s9x+rJ84U+KpzNUT9QWrxqKTuMRkIIpHMibnvWq4Egv6XkJ0AEiu9D62Yb4IpSIdRsjFaCQ==
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

2026-09-17T11:01:30.728677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050461
observed 0de2151f331e7b190e4782b17caa2ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.712992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050461/manifest.json
observed da78656fb868fb0e8dede80a8108e2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.697002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050461/publication.md
observed c2b49dad1d5553f91cd411519fd25256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.680650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050461/publication.txt
observed f3fa14ca0bd7832d1b070a6d3c29c20d...
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.