OpenTechnical

OT-2026-000082869

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000082869) never changes.

Identity and time

Publication numberOT-2026-000082869 · never reused
Internal UUID01a0ae97-8cca-77a7-a7ab-70815cebcc08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082869
StatusPUBLIC

Content hashes

Canonical textd79730efb66ffc4da0751e3361413054b903598662748501102e85572faa2a89
Markdown3d1afb37ed61b6bc25e59d92c86251b3d367220411cce42024e909a6a5fc0ba7
PDF
Publication pagef4354111e1ff720c37b88ba59e222194450ade4b04e793fcd490b0c5e436df52
Manifest177de56b5dbf91108e106fc6dc60d4c6dc4dc7fd8954340b75a3f2023d647f6b

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
SignaturebByyCwh+t+P5be+56tjX7AdnvQQfitWU16lNVGdisjv0seyN25KZKFOb42tIn2OE2G/2wviuYV6E4GafoqwuDg==
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

2026-09-17T09:58:33.034464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082869
observed f4354111e1ff720c37b88ba59e222194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.017045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082869/manifest.json
observed 177de56b5dbf91108e106fc6dc60d4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:32.999534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082869/publication.md
observed 3d1afb37ed61b6bc25e59d92c86251b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:32.969890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082869/publication.txt
observed d79730efb66ffc4da0751e3361413054...
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.