OpenTechnical

OT-2026-000020736

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000020736) never changes.

Identity and time

Publication numberOT-2026-000020736 · never reused
Internal UUID01a0ae6f-65e2-7166-ad65-a906e9b15ce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020736
StatusPUBLIC

Content hashes

Canonical textf590812595c42657acddaf417114961a79b99505b88b65e5b9af0fa2da14c98b
Markdowncee2a302d802f5f927d05e59f49dca1cb83a1ae21c861c9c01f466e0b8d542ad
PDF
Publication page3ab650d0cbffcd72ef7ff3e58317d8a1d4b9ffe1cce32f0be89d0e3cb03a0d0d
Manifest6526e694802456a1f5e84b14264e7e65105e2e152068e9ef306486a354fd30e7

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
SignaturehRj7PHa6hmyu8OiBj0+byC7jXZdWREaTaWaLRWKTv9MCfPSMYnrV6sZsugKBwSkJS2qzFoZMqLth/nrvmAgaCg==
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

2026-09-17T11:55:47.926399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020736
observed 3ab650d0cbffcd72ef7ff3e58317d8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.909433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020736/manifest.json
observed 6526e694802456a1f5e84b14264e7e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.891879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020736/publication.md
observed cee2a302d802f5f927d05e59f49dca1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.874116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020736/publication.txt
observed f590812595c42657acddaf417114961a...
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.