OpenTechnical

OT-2026-000082343

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000082343) never changes.

Identity and time

Publication numberOT-2026-000082343 · never reused
Internal UUID01a0ae97-4d95-7d53-a4fb-179be81c9cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082343
StatusPUBLIC

Content hashes

Canonical textb63d1d1f4c1739610c3965a3a1426ddca3e82e550f6e5cde86f917102c35e147
Markdown6fc86a70932d7a3e73bf13f6c1925a738c11b60d3e87d970769b71c9e8b957ef
PDF
Publication page846d005e19a8b560358c83c6d3be6ccbe69ebe3d9acc4c6483d542c3c6df6ddf
Manifestb478d64b0f4b788f329d19ab55a3c785dfabbb8dffc5a0ed525de686d5b19a88

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
SignaturewildAhqhJtsWZjUbW5+VDkwWEnyRRzvg8SXBIqUzoUgHun9tANgwoCTvhOdz6UMBr2CwDQ+hls22vcIPZQguBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:12.858635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082343
observed 846d005e19a8b560358c83c6d3be6ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.841647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082343/manifest.json
observed b478d64b0f4b788f329d19ab55a3c785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.823819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082343/publication.md
observed 6fc86a70932d7a3e73bf13f6c1925a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.807428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082343/publication.txt
observed b63d1d1f4c1739610c3965a3a1426ddc...
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.