OpenTechnical

OT-2026-000023624

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000023624) never changes.

Identity and time

Publication numberOT-2026-000023624 · never reused
Internal UUID01a0ae70-aed3-76e4-b5e7-9c0f54061d65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023624
StatusPUBLIC

Content hashes

Canonical texte7435d471b3e0746f104de7c48d9f303f643d97ea958ee8febcd19ac2234844d
Markdown50aeba62607f26700bf4a42f12b548af282d69c0cc43142f94b3b917869f6877
PDF
Publication page48d99a0566d1edf488d6b9caa80ab5eaf042c3ce432e39fd296c6590cd052484
Manifest80068b940ef1d5ec1885c9931dd5c027e4665fd161ae6765834711ced4dfd402

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
SignatureQveZTMyQ/QSapy4+o6Fwq6uBoNGlonT7BYJM001VPFc5eGZ0aHqQ+KoNiXujevhkpTVomDzuRIhtrUQpMj02BQ==
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

2026-09-17T11:49:49.781117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023624
observed 48d99a0566d1edf488d6b9caa80ab5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.766464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023624/manifest.json
observed 80068b940ef1d5ec1885c9931dd5c027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.748550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023624/publication.md
observed 50aeba62607f26700bf4a42f12b548af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.730283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023624/publication.txt
observed e7435d471b3e0746f104de7c48d9f303...
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.