OpenTechnical

OT-2026-000009839

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000009839) never changes.

Identity and time

Publication numberOT-2026-000009839 · never reused
Internal UUID01a0ae6b-cb78-7ff9-adc0-46f0a5fd9c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009839
StatusPUBLIC

Content hashes

Canonical textba4da02492ff8e0ae1d534dffc5085dc69af632f3b46a939a05d1644fcbc8b0b
Markdown8473d6eca02b791ce9c5f321ba4ce3de1743ce46c937a6602c82e607bd7e6295
PDF
Publication pageb4e23dd1dbc22a3f88122e007f62ad951d279cc8083cd4d8bec57c870cb11d0d
Manifest52daf0c7f71ba37fc65b480da514dec934ca0cf06043f4a0be3cb480384931d4

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
SignatureKx/NyGuFmdxDBpZCuQnKnjEQnrdQaaFeMvB2ZAyDzuL1N96D7NlJiUnWDkRVXLfBqDc4Quv5ZARM5RA32iLYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:50.025539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009839
observed b4e23dd1dbc22a3f88122e007f62ad95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.005890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009839/manifest.json
observed 52daf0c7f71ba37fc65b480da514dec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:49.983779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009839/publication.md
observed 8473d6eca02b791ce9c5f321ba4ce3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:49.965337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009839/publication.txt
observed ba4da02492ff8e0ae1d534dffc5085dc...
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.