OpenTechnical

OT-2026-000077508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000077508) never changes.

Identity and time

Publication numberOT-2026-000077508 · never reused
Internal UUID01a0ae94-f50a-7724-bcd7-2dd1bfe5ee6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077508
StatusPUBLIC

Content hashes

Canonical text656eb0e41ab2a0125d069c0c751fa509654504ff4afe10b6dbc7df7e39f1976a
Markdown07d05b3f9b7cc19af785a7a398be0132e9f68e8ba0b848535d3833c2fbaa96dc
PDF
Publication page2859183c06e0fcf200cc0ea7eaaeac1af61382bcd05a7796b206385bfb4c04d2
Manifest7501ce9cf70b916a5adb268200444d7da42cea15a123aa1dfe930343b43840f6

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
SignatureLCaofSB/wIRXizOqDbnOHMLKRH67fVaL0ITL/wgOw93ETeOZFan3XPuvby9oC71QrX0k3Z7By6BLcwBkx/ezBQ==
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

2026-09-17T10:11:06.762796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508
observed 2859183c06e0fcf200cc0ea7eaaeac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.745370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/manifest.json
observed 7501ce9cf70b916a5adb268200444d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.728494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/publication.md
observed 07d05b3f9b7cc19af785a7a398be0132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.711033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/publication.txt
observed 656eb0e41ab2a0125d069c0c751fa509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.430310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508
observed 2859183c06e0fcf200cc0ea7eaaeac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.411715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/manifest.json
observed 7501ce9cf70b916a5adb268200444d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.393930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/publication.md
observed 07d05b3f9b7cc19af785a7a398be0132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.376685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077508/publication.txt
observed 656eb0e41ab2a0125d069c0c751fa509...
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.