OpenTechnical

OT-2026-000068300

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000068300) never changes.

Identity and time

Publication numberOT-2026-000068300 · never reused
Internal UUID01a0ae90-2480-70e8-b6fc-f952c96b1bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068300
StatusPUBLIC

Content hashes

Canonical text23b5899db8a76bfca514ca7cc6071b5b857278075b081bb4157ee39e7b19d6e8
Markdown841edd3e1a33c2b3dbdf38f042c57c7835ecd3e16a2c7e67e50cc1d3b2742643
PDF
Publication pageeedda32c5886d024d802007362ed8c19f0d38c5063462052802eb3e1f7a20e66
Manifest8c4c74aaacd09377b564839ac574e3f0b6fc02525713aeea2d9b03c4f57f3ba0

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
Signature63ElajQkOuOD4XU5ZopI2uRhxFSEKcGKYG/UcJ7bOHHoCpe2msIv0Cd1UI2u4n7e/R1jehooF5BeTLlzqf+vDw==
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

2026-09-17T10:29:20.154774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068300
observed eedda32c5886d024d802007362ed8c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.136932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068300/manifest.json
observed 8c4c74aaacd09377b564839ac574e3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.117482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068300/publication.md
observed 841edd3e1a33c2b3dbdf38f042c57c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.097714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068300/publication.txt
observed 23b5899db8a76bfca514ca7cc6071b5b...
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.