OpenTechnical

OT-2026-000026295

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026295) never changes.

Identity and time

Publication numberOT-2026-000026295 · never reused
Internal UUID01a0ae71-f4a6-7a76-9121-c9e58b2279d8 · 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-2026-000026295
StatusPUBLIC

Content hashes

Canonical text03b0d5aa44ae635621158dab5b0efee5009c4a92e6896123212e25fbee52c940
Markdown86ab050691c6670f8ba6f61c587ef52adfba81380f8e1c679e809b1859b42076
PDF
Publication pagececb91292343796f2f6939c1cfa4e313220734279666471dfc16dcd968d8c5ba
Manifest16786a89f1e4d8d6bec0b244e1e69342464ae836c15dc32ef065f116b93254e7

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
Signature0r57Q7z1zTSCsADc6E5hyTPG0YXk9mpjb9KyTKK4edtDoz3tkAQryh626gb5QdEQbl8jU92OXPiItsWnAUp6Bg==
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

2026-09-17T11:44:14.687255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026295
observed cecb91292343796f2f6939c1cfa4e313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.670513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026295/manifest.json
observed 16786a89f1e4d8d6bec0b244e1e69342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.655256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026295/publication.md
observed 86ab050691c6670f8ba6f61c587ef52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.638980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026295/publication.txt
observed 03b0d5aa44ae635621158dab5b0efee5...
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.