OpenTechnical

OT-2026-000024021

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000024021) never changes.

Identity and time

Publication numberOT-2026-000024021 · never reused
Internal UUID01a0ae70-aed7-743a-8f77-961d4b6bee62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024021
StatusPUBLIC

Content hashes

Canonical text97bf3d47ce01470bd18551c87f8024e3dc184a341262f127e4c06a2d35f21195
Markdown027ab1eab7bbad4808ec2748988ebd4d3cd19a67409606e996a694265f0ea341
PDF
Publication page1509c346fe80df9296d0372098c2c85c99ef923a88a53b1d1ecaacd2a7803120
Manifest9ff21264386e5a9978aee6cf28005705422dafd741b9fb29b3860901869be523

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
SignaturepECzbgGDeDoi2RgnyLcJFi3s1EYp1kxidkg/Y5CBQb2fUr/Xkr7aQEbCjckHrfPsS9VhfAMaOlOF17LB5nrnAg==
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

2026-09-17T11:50:48.209687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024021
observed 1509c346fe80df9296d0372098c2c85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.192204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024021/manifest.json
observed 9ff21264386e5a9978aee6cf28005705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.173616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024021/publication.md
observed 027ab1eab7bbad4808ec2748988ebd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.157650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024021/publication.txt
observed 97bf3d47ce01470bd18551c87f8024e3...
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.