OpenTechnical

OT-2026-000084413

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000084413) never changes.

Identity and time

Publication numberOT-2026-000084413 · never reused
Internal UUID01a0ae98-5b62-7359-b3bc-6ec245e1b1b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084413
StatusPUBLIC

Content hashes

Canonical textfebf830b5c6e4aa77dd4da83f61e66131971bab8985ce1445b101f0a7ebf5175
Markdown8d3a5d2dd6bf935fdcc0d0dbcd87c360ee057246535b6e45b302f3c24d312ea8
PDF
Publication page67c4368d9ca4b47075397b384fd28e984d75a4638f4234e24c6ba1aa42e4b913
Manifest4c4d77ab8b4c086066250049250036d872fb27d5b235cf9a7b5f56baf089a5aa

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
Signature/GYpywML1Zaf3KFDSexBbOek35GgllVEzGadTZxhjAfoYtTFQ/L2yQSCO/LH18mcbun6Yc4IqTxZ2Cq/w8yUAw==
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

2026-09-17T09:56:21.695711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084413
observed 67c4368d9ca4b47075397b384fd28e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.678091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084413/manifest.json
observed 4c4d77ab8b4c086066250049250036d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.659045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084413/publication.md
observed 8d3a5d2dd6bf935fdcc0d0dbcd87c360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.641086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084413/publication.txt
observed febf830b5c6e4aa77dd4da83f61e6613...
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.