OpenTechnical

OT-2026-000025441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000025441) never changes.

Identity and time

Publication numberOT-2026-000025441 · never reused
Internal UUID01a0ae71-5fa7-795a-bdde-74af821752d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025441
StatusPUBLIC

Content hashes

Canonical text2bd8347faaa266628b22893562eb73a8ce2dc458b78127f06c0c2884bfa90372
Markdown064447646d8cfbc8bf3b0b5f41248dc9ba2ed32f9b7f4c7d19980094966ff828
PDF
Publication page11b59201ed7bfcbaf3d89ee72476c5ab5e1c1356059947085184f16aebe603ac
Manifest740586594c5b30dc96f19902d76969fb0718bdc7ccef1a4ee56d3c10e6c17060

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
Signatureb6ThpfJGoiACPQMMRV3ab4/YqjRNnGAYDIJwSyJObdqWYgPHzQ9bWD8u/UEatGEm8sxkazOs729kwE+K1l2GBw==
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

2026-09-17T11:47:31.300603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025441
observed 11b59201ed7bfcbaf3d89ee72476c5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.278564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025441/manifest.json
observed 740586594c5b30dc96f19902d76969fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.256739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025441/publication.md
observed 064447646d8cfbc8bf3b0b5f41248dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.237678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025441/publication.txt
observed 2bd8347faaa266628b22893562eb73a8...
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.