OpenTechnical

OT-2026-000014192

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000014192) never changes.

Identity and time

Publication numberOT-2026-000014192 · never reused
Internal UUID01a0ae6d-b279-7965-9e30-8f9fc6d53021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014192
StatusPUBLIC

Content hashes

Canonical textb4d659768fdba807155cba2d0d7d73868a4d13e42ced8fee64ad09f098c625fc
Markdown970dafdc8c4237ca6f3e6d3de0c4842875c9af08b65f78167e46348ccbfd8de6
PDF
Publication page60e1f3afd4c7035d0fe3e3eba4675480fb716419bd9eeb23fadcf37ec6611882
Manifest9db886dab8dbf0c3cb49deb795005b76902a9d607656e76cf8cd3cee494b8438

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
Signaturewto7DuanAIWrazUbxS5PsRjxcL1H0fmmOvvbNlX5T2sUJJ0DnTuT4hntGshOgxpX+xPeclGdcns3KcAybpJODg==
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

2026-09-17T12:07:17.519531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014192
observed 60e1f3afd4c7035d0fe3e3eba4675480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.500556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014192/manifest.json
observed 9db886dab8dbf0c3cb49deb795005b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.480232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014192/publication.md
observed 970dafdc8c4237ca6f3e6d3de0c48428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.459282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014192/publication.txt
observed b4d659768fdba807155cba2d0d7d7386...
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.