OpenTechnical

OT-2026-000085470

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000085470) never changes.

Identity and time

Publication numberOT-2026-000085470 · never reused
Internal UUID01a0ae99-aaab-76af-80f3-c7393c4d8b25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085470
StatusPUBLIC

Content hashes

Canonical text59ece2209358684e1585a86a1b3b2d832421e65ea8be21ef89c8311fc4e981a2
Markdown45cb0c3675ba36e6a7e8c34702af02cb728f5a6475a03e7364117e84dc1135d6
PDF
Publication pageef9a23c5c3140650beee34c9eb42b0ab38edce73c1b5a5a6b2de946ee1c83f88
Manifest8538085bc7e19eaf5b06b996068a74bcbd3ad20760a4c68358afa8fbeeee319f

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
SignatureYnTfYyxzI/hMlSYgi478aWToOEfoG27nD4F9NBQqSahhXb4AXUAOrMEuPirF1w95hYVBBWtnt6cFmUkWOAKvAw==
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

2026-09-17T09:54:15.877224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085470
observed ef9a23c5c3140650beee34c9eb42b0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.859526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085470/manifest.json
observed 8538085bc7e19eaf5b06b996068a74bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.838938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085470/publication.md
observed 45cb0c3675ba36e6a7e8c34702af02cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.819586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085470/publication.txt
observed 59ece2209358684e1585a86a1b3b2d83...
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.