OpenTechnical

OT-2026-000035047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000035047) never changes.

Identity and time

Publication numberOT-2026-000035047 · never reused
Internal UUID01a0ae76-6a1c-76e2-8d4d-7ec74f9d8a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035047
StatusPUBLIC

Content hashes

Canonical text49d790e7413833133ea421523239f665bda1436038962c6d27282b393f391cdc
Markdownd30e4d4fb6fda8b6dc90fce1966661527426c0f452788f0e786badf606cb9fd4
PDF
Publication page6e007eb9b82699436096ffd9c0c9d8d152d516a176f8da0c2a87920dfc26a347
Manifest93969a5cc136a51e688a6ac5caa33336e3f27cd1ce1f85b0d212257a96b11565

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
Signaturefys/YNvXU2RBDTgCMVPzL8vdnX2qI9iD3+i8aMyozl1ShH8a8H176J9MXRlh/Z3ZFLWhB7ngP2Ja7SMKOYTQCw==
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

2026-09-17T11:28:06.132918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035047
observed 6e007eb9b82699436096ffd9c0c9d8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.113983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035047/manifest.json
observed 93969a5cc136a51e688a6ac5caa33336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.094863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035047/publication.md
observed d30e4d4fb6fda8b6dc90fce196666152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.071121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035047/publication.txt
observed 49d790e7413833133ea421523239f665...
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.