OpenTechnical

OT-2026-000017176

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017176) never changes.

Identity and time

Publication numberOT-2026-000017176 · never reused
Internal UUID01a0ae6e-76c7-7a45-b63e-b3726940c981 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017176
StatusPUBLIC

Content hashes

Canonical textc460992c7acbbc85821386ca994acaab467deae3338be76fa79587a625a5342e
Markdown25cefd14db10f287439d275e9bb42b2b5b09ab4a218d792b33098e961c184090
PDF
Publication page943ecb19b6348ed4a1e48e498659e8a964d492f0a3774b51c9511bea383938e8
Manifest014fdd266542722c66ba0a4ec0a4035d8f9c2f13cb92e8683a00a9a15348e835

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
SignatureRiEXL9iwqWHXRyfI+MYkPxZ0XxeNaFjAhAeXNImPk1uP5wN+MPJDLc+w0JLVySJ3H7OaoOqkBSyFcbMJXuecAQ==
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

2026-09-17T12:02:14.565641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017176
observed 943ecb19b6348ed4a1e48e498659e8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.549652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017176/manifest.json
observed 014fdd266542722c66ba0a4ec0a4035d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.534165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017176/publication.md
observed 25cefd14db10f287439d275e9bb42b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.518576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017176/publication.txt
observed c460992c7acbbc85821386ca994acaab...
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.