OpenTechnical

OT-2026-000026955

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000026955) never changes.

Identity and time

Publication numberOT-2026-000026955 · never reused
Internal UUID01a0ae72-3452-754c-ac12-0a3115fe80ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026955
StatusPUBLIC

Content hashes

Canonical text45d64135cbb17be218cb1fbed78b682bf9cda7322707a2a16a7cf186d4ac7a22
Markdown2467e8093763ec7a3115a01824cf2544bdf9f00dbf3ea8a76722c8dc1c71c2d3
PDF
Publication pagee53ff34fc575aecbc08c18a953b9a1e75793d311e4ae902050b0450bbf6eaf74
Manifest25bdfc90243edf86a9468ae98f9be584ef4838f4fb92938459eb1a6482278a8b

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
SignaturetwcqOxxYz90n40apLvkOent0+2yMgft71doWufRBP5Lhb7nMyoX6h8I7DPVb8iMvvm4/LWsK+0QNVhXAcGAeBg==
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

2026-09-17T11:43:34.604673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026955
observed e53ff34fc575aecbc08c18a953b9a1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.588439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026955/manifest.json
observed 25bdfc90243edf86a9468ae98f9be584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.572492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026955/publication.md
observed 2467e8093763ec7a3115a01824cf2544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.556126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026955/publication.txt
observed 45d64135cbb17be218cb1fbed78b682b...
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.