OpenTechnical

OT-2026-000026626

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000026626) never changes.

Identity and time

Publication numberOT-2026-000026626 · never reused
Internal UUID01a0ae71-f4aa-76a9-abb0-04ea84d52c76 · 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-2026-000026626
StatusPUBLIC

Content hashes

Canonical text019fd9a0ff8ac471e1b3daab5e0ed80a9c8014b1cd5163d7f96f4dcfe9719867
Markdown41c633a82b9a9094cd914e1fb76e9b196173a0dd0201666c3a9b63a27ab52f53
PDF
Publication page4b7ebca8e0e7c74bbb7bcc7bbbba85ec4e3be88e8c43f6ff9b742b22ec378734
Manifest5d12fc29f00b82ce8ec6e689964a45440d582d0f84699539341a6e26297c67ce

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
SignatureL4a0DdU4pT0GFWB2H83rqpAQm0w+rUweypCwdQXDS/gKVChHeFMJpDp6wue3bl5x8CHMnw4+96BpQzFIKjWbBg==
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

2026-09-17T11:44:11.225475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026626
observed 4b7ebca8e0e7c74bbb7bcc7bbbba85ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.208773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026626/manifest.json
observed 5d12fc29f00b82ce8ec6e689964a4544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.192623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026626/publication.md
observed 41c633a82b9a9094cd914e1fb76e9b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.172539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026626/publication.txt
observed 019fd9a0ff8ac471e1b3daab5e0ed80a...
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.