OpenTechnical

OT-2026-000014554

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000014554) never changes.

Identity and time

Publication numberOT-2026-000014554 · never reused
Internal UUID01a0ae6d-b27b-7ecb-8c87-3ac28e848387 · 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-2026-000014554
StatusPUBLIC

Content hashes

Canonical textd57716fc4ff675d17161c3583631eb9c73281559cb49e2bf4cc7345fb9a4b623
Markdowndf15db45c061ed96ed4e59d22d6a11fe65db0dfd717724c17527d82abbf88b35
PDF
Publication pagead09b302cecfe9e697a38c078cd772b7ed7473b1bef4ce3cca3ae548759f4960
Manifest69d23efe1bff9bb18042dfc2a8e5f8138e8a391b4fd5d0eb7c48a8f0396bcf67

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
SignatureMxN2OqRUIBFjwquY8yojWWCfkxZUVtF0y2JMdif2CetfjTYk+HT8auT8eUoKV4XIUWa50J6lITPuGT94H+kGBg==
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

2026-09-17T12:10:25.741642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554
observed ad09b302cecfe9e697a38c078cd772b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.718483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/manifest.json
observed 69d23efe1bff9bb18042dfc2a8e5f813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.696155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/publication.md
observed df15db45c061ed96ed4e59d22d6a11fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.671535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/publication.txt
observed d57716fc4ff675d17161c3583631eb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.462584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554
observed ad09b302cecfe9e697a38c078cd772b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.444213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/manifest.json
observed 69d23efe1bff9bb18042dfc2a8e5f813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.427497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/publication.md
observed df15db45c061ed96ed4e59d22d6a11fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.410538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014554/publication.txt
observed d57716fc4ff675d17161c3583631eb9c...
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.