OpenTechnical

OT-2026-000064135

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064135) never changes.

Identity and time

Publication numberOT-2026-000064135 · never reused
Internal UUID01a0ae8d-a45f-705f-996c-6c32d9285672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064135
StatusPUBLIC

Content hashes

Canonical textd4fdb6f7079d0b62b3a490697e9ccc28f8acabd9bd822d92f317e8e2ba15eb53
Markdownf7186219fccd36b7fec4d4010ff922e6c02d19d382831b0de73f1717af87ff2f
PDF
Publication page26a9c41525b559d080c767c7a8cb341fd5cc61cecdfcbeafaefcb453b1254cad
Manifest77dc156ff0a34f04382ddeedd1e39ccf06f10f510c46a392e6529d340ae2743e

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
Signatureilbwk754h1Sp8ikqSsIy1afgVoDaCMov7Uei+gt070Cd0r+r/zULp1Vsb6LaHyfvOCntESjIDkacxPRwmSLTCg==
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

2026-09-17T10:36:08.166003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064135
observed 26a9c41525b559d080c767c7a8cb341f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.146257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064135/manifest.json
observed 77dc156ff0a34f04382ddeedd1e39ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.127084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064135/publication.md
observed f7186219fccd36b7fec4d4010ff922e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.107806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064135/publication.txt
observed d4fdb6f7079d0b62b3a490697e9ccc28...
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.