OpenTechnical

OT-2026-000100037

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100037) never changes.

Identity and time

Publication numberOT-2026-000100037 · never reused
Internal UUID01a0aea3-1474-7102-9d7d-d0933ce7815d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100037
StatusPUBLIC

Content hashes

Canonical textb9f559a7381bec848fecfc9706ea79ac2f6a0b33ec860d3aa101e99ae933b9c8
Markdown7688e5f451207381018f34b4f8604cf765768af419fd63f88ff342c9d89aa1da
PDF
Publication paged9095385ee94abea26ce7bb415e709854d7be5c86afb215fe4fc7d67007547b7
Manifest2d339aae26f1bb8a6365a1a997636fbb2ea61ad862599f5b5acba8fa9cd7ac76

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
SignatureB+xvWlS4o5h/sUVWvTXn6jMbhDZPP47baXqGGBefzvf+RrwiXjqLG/n6OqcbBRF86TB5VADo19xEBvBlavGrAg==
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

2026-09-17T09:28:58.468742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100037
observed d9095385ee94abea26ce7bb415e70985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.450442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100037/manifest.json
observed 2d339aae26f1bb8a6365a1a997636fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.422390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100037/publication.md
observed 7688e5f451207381018f34b4f8604cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.394693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100037/publication.txt
observed b9f559a7381bec848fecfc9706ea79ac...
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.