OpenTechnical

OT-2026-000049612

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049612) never changes.

Identity and time

Publication numberOT-2026-000049612 · never reused
Internal UUID01a0ae81-8f7d-7b6e-8cef-f762099b27f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049612
StatusPUBLIC

Content hashes

Canonical textc118b2d8248f89c98c6e38ae4280507425e91aa7e9364c4ae178dcafc4df8376
Markdown27727fe88f50a256030246f1089e2bab84b189536728a2ad22ea756fc6a21119
PDF
Publication pagead8e6552a34e5cfb1fcb16222e16306765a78955c4e0411c0b51766515398b09
Manifest01be7282c532e27a97eb5a075c1f5475abf466c82d84f7839df48ca8d919c585

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
SignatureIrRLA3x0asq8UWynEqcQZgeg9ozrE23L/+bnokuSMtDp4i13lSqhrBMopJl5XHDszUGyjE3yTFDPU6XvfREtAA==
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

2026-09-17T11:02:35.852261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049612
observed ad8e6552a34e5cfb1fcb16222e163067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.833117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049612/manifest.json
observed 01be7282c532e27a97eb5a075c1f5475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.814236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049612/publication.md
observed 27727fe88f50a256030246f1089e2bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.795802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049612/publication.txt
observed c118b2d8248f89c98c6e38ae42805074...
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.