OpenTechnical

OT-2026-000026506

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000026506) never changes.

Identity and time

Publication numberOT-2026-000026506 · never reused
Internal UUID01a0ae71-f4a8-7c71-9fed-5226841d38ec · 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-2026-000026506
StatusPUBLIC

Content hashes

Canonical textb88b6e9b2fa0974ff3da914c38aa4832baf651734f99d5c13b54a7440da0665d
Markdown0bded140bff1b63b34330679ccba46711d31c7a2c17fbd7b59d072d3ae505079
PDF
Publication page71216735e21473979a780ac2e792df1d53d11253ffa625b6792e48b89b0b2d52
Manifestf9c0f02c3acdc7b60e387fe88cdeaecaa36068606aa83a95708884ffc70aed06

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
SignatureoV2g9LyzwV2QuTYsuA3zNBrfMAn6May+7hjxZF4ssJ1AfN+2zkUjNHsLKFQJml47PfPQzWI+nZWhLdSeXmObAg==
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

2026-09-17T11:44:38.042939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026506
observed 71216735e21473979a780ac2e792df1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.023795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026506/manifest.json
observed f9c0f02c3acdc7b60e387fe88cdeaeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.006182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026506/publication.md
observed 0bded140bff1b63b34330679ccba4671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.986711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026506/publication.txt
observed b88b6e9b2fa0974ff3da914c38aa4832...
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.