OpenTechnical

OT-2026-000018860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000018860) never changes.

Identity and time

Publication numberOT-2026-000018860 · never reused
Internal UUID01a0ae6e-d521-733e-bc49-943e22870d53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018860
StatusPUBLIC

Content hashes

Canonical text3a265bb93f4ef0982303014c0c3c246d1f2cbfd45796fda93cc3ea75edf6e030
Markdown1000d8924e21e1f910d690329edc5c8bb4c495f43d76edd145ca128538e899ea
PDF
Publication paged962ef6154c75f9ace3a470385342b5792ec8171d0de08cf5430d39c0ce7c02b
Manifest9c272aac4715adf4d2823d190e34396219737cd0915b5ccf30e9491ad326b587

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
SignatureIE3nCM4pCqkgYlNB1ZkniQQlJcPLY34dKyCEzZVS3luVKgI50mYnxp7+2gQFp++h+k0qtiXRmOt4wnSifCnmDA==
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

2026-09-17T11:59:30.230754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018860
observed d962ef6154c75f9ace3a470385342b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.213086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018860/manifest.json
observed 9c272aac4715adf4d2823d190e343962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.194414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018860/publication.md
observed 1000d8924e21e1f910d690329edc5c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.175565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018860/publication.txt
observed 3a265bb93f4ef0982303014c0c3c246d...
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.