OpenTechnical

OT-2026-000026406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000026406) never changes.

Identity and time

Publication numberOT-2026-000026406 · never reused
Internal UUID01a0ae71-f4a7-793b-a641-e32e24f216b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026406
StatusPUBLIC

Content hashes

Canonical textb64a3d34ab0676b82298fb49adc6a0e4eedd958a2f56d27220f416ae9853faa7
Markdownc7cd018ee08fd277145f28d6170c98f3f57dc634ca211cbcfd7337261a0090b5
PDF
Publication page8135ae17aa87de3d97a19853e9b09ce7b23fc4a39f8a88b7f242215194475269
Manifest7104446f12ffb6c094c4b2cbc040cc4bad2b28217c045ef489a98303cefcc650

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
SignatureUnmgKmKblRHmnu1jwP3wmI0Z1fPWwRG0QpenE/SZtCpXTnGOvKSJfxF/7hDj0qDtBH+SvdrjASu3n4jSaadRDw==
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

2026-09-17T11:44:23.549411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026406
observed 8135ae17aa87de3d97a19853e9b09ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.534109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026406/manifest.json
observed 7104446f12ffb6c094c4b2cbc040cc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.517995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026406/publication.md
observed c7cd018ee08fd277145f28d6170c98f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.500391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026406/publication.txt
observed b64a3d34ab0676b82298fb49adc6a0e4...
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.