OpenTechnical

OT-2026-000032179

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032179) never changes.

Identity and time

Publication numberOT-2026-000032179 · never reused
Internal UUID01a0ae74-f7a6-7ba3-b17a-f36112889b42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032179
StatusPUBLIC

Content hashes

Canonical textfaca8e8e8effcfa5b5a359ab6c7f201c7e972f7cea563726ac6d4c2fd18b20d6
Markdown1949e1df28b5ff96f4180749c33d89cb62b26e9de8f04b16738381a71e2ccc2a
PDF
Publication page69d5293da330e9042e1f00159c73f6225d9c5ff073515ebaaca5272669d6c30c
Manifestdf5e9c1c4a14db3c0868838167d71499581522787dd594f28d227ee39f36d5c9

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
Signature+U8BAcyKF9jGwxFB9Brgu4/r3eE4V6i3oSV99AyVt3f2qCPcfsAYcU9h9oH7Lr/MIRe8RYjLO/4lfol3EzgvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:30.967499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032179
observed 69d5293da330e9042e1f00159c73f622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.948091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032179/manifest.json
observed df5e9c1c4a14db3c0868838167d71499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.926710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032179/publication.md
observed 1949e1df28b5ff96f4180749c33d89cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.903237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032179/publication.txt
observed faca8e8e8effcfa5b5a359ab6c7f201c...
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.