OpenTechnical

OT-2026-000103147

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103147) never changes.

Identity and time

Publication numberOT-2026-000103147 · never reused
Internal UUID01a0aea4-be3e-7683-8014-2f17c65e4098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103147
StatusPUBLIC

Content hashes

Canonical text10b12191f8b6eb87622d25fdcf3f32716986516ad3d6d2f66dc9febccf122c3f
Markdown875b7cb9b0a99164ce0d031424b8d2a39dbeb0074183e0733aef3891ff5f1c4b
PDF
Publication page4ff220a47f021edc6bd72518b91fa35bded234e9b7e7855ca2dc8e0665304deb
Manifesta732e0b06b6ed2a31234ebdf124dae5a94014e75224907bd6d55a44752b29610

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
SignatureIFziQPae3MWrlNnLJNwek15SZvOwoq3smTrBBUGI+ZEy5Ijwa8zkVGwThSjW3ZXW7632ikMPQaQ7SzDJroM8AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:21.452524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103147
observed 4ff220a47f021edc6bd72518b91fa35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.434913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103147/manifest.json
observed a732e0b06b6ed2a31234ebdf124dae5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.415590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103147/publication.md
observed 875b7cb9b0a99164ce0d031424b8d2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.396217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103147/publication.txt
observed 10b12191f8b6eb87622d25fdcf3f3271...
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.