OpenTechnical

OT-2026-000010209

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off 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-2026-000010209) never changes.

Identity and time

Publication numberOT-2026-000010209 · never reused
Internal UUID01a0ae6b-cb7b-7d99-977e-fed792b61b93 · 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-2026-000010209
StatusPUBLIC

Content hashes

Canonical text70b02ee83bc197441dfce20c31e05dfeffbc85f275cb54505d2df2f2726b13d6
Markdown121e33a79d138bed677c19a8df3d93a7d6d4d817c513087239bc64136f51d9b5
PDF
Publication page4e8d2f6b8d5988ad561aec85b92c2ecd56ee2a53a01467a63126f994f1e7ff62
Manifesta97cbb66d057a2f6cd8d31a80372b9db8a66bd2512e1ae65d13d71a7f4a9e221

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
SignatureG3lf/wHPjqgb7xPXmHGWN5b1l3v5vYK54bHrq3t+YPZ2m4229wfd1AbYpTvDvbdG4oBJFl5QVl0ayJcNEpZhDA==
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

2026-09-17T12:16:19.902708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010209
observed 4e8d2f6b8d5988ad561aec85b92c2ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.883839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010209/manifest.json
observed a97cbb66d057a2f6cd8d31a80372b9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.863602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010209/publication.md
observed 121e33a79d138bed677c19a8df3d93a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.845117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010209/publication.txt
observed 70b02ee83bc197441dfce20c31e05dfe...
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.