OpenTechnical

OT-2026-000049932

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000049932) never changes.

Identity and time

Publication numberOT-2026-000049932 · never reused
Internal UUID01a0ae81-fd76-7cd4-adce-f6dac66b81a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049932
StatusPUBLIC

Content hashes

Canonical texte1b9ce60067902308776ca571d78ee45c04694b057b8f295efc4b89ae81e94c0
Markdownf00a1bd4ac6c065513f453a87fff2bb5395d6304354a84aa48628eef9ab8d8ce
PDF
Publication page3900ccfa2d3630439904e99c4fd77a0e0ca8a601c356f5713c314b7c5102619c
Manifest7101c8aa0d7e9bea169c1a607a6c4fedfab19fa11453e5fa49e71f7baf6f107e

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
SignatureKrBobSm2+PYepnOXL/Hud/BKHbFgP6+F66xjBPtKe+eKki3WFYyv6XgWXGNxoqqG7kyqE0/VOyjv+LggB744Bw==
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

2026-09-17T11:01:51.830352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049932
observed 3900ccfa2d3630439904e99c4fd77a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.809508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049932/manifest.json
observed 7101c8aa0d7e9bea169c1a607a6c4fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.791706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049932/publication.md
observed f00a1bd4ac6c065513f453a87fff2bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.774647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049932/publication.txt
observed e1b9ce60067902308776ca571d78ee45...
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.