OpenTechnical

OT-2026-000077596

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000077596) never changes.

Identity and time

Publication numberOT-2026-000077596 · never reused
Internal UUID01a0ae95-2ece-7a91-b3f3-52bfafc7a741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077596
StatusPUBLIC

Content hashes

Canonical text20234028399dcfdace4c2cd51a332b0f9de58e4288ad6d702bc69f98ca4476e2
Markdowna34ef4cbf6c9b9a24043fc5b1b9e8253bf6add83fdb79e24760c72f444c38bd3
PDF
Publication page3687d0e595e6293d5a5280e4455e3d37b5036fa546e259d5486f4ca61df228e5
Manifest855baa31fb0094e2135b2a3cec88c7e029a78ac8ce17b93716fcffa818d7dbc1

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
Signatureh9Fwap5wd6mezbibF7lZlztBg6kR/NKjBB1qQ1wbX06Zfe1XqWkIVNMtzJqs70yNKtzMDVnQQQrEObnL6eauBQ==
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

2026-09-17T10:07:04.664186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077596
observed 3687d0e595e6293d5a5280e4455e3d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.645889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077596/manifest.json
observed 855baa31fb0094e2135b2a3cec88c7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.625472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077596/publication.md
observed a34ef4cbf6c9b9a24043fc5b1b9e8253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.606032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077596/publication.txt
observed 20234028399dcfdace4c2cd51a332b0f...
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.