OpenTechnical

OT-2026-000010450

Publication integrity record

Single cup vacuum gripper, pump fed, vented 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-2026-000010450) never changes.

Identity and time

Publication numberOT-2026-000010450 · never reused
Internal UUID01a0ae6c-0ee6-7ea9-9894-44e4b13fd4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010450
StatusPUBLIC

Content hashes

Canonical text5ca6f8e1f8e88290044259027765908c93638d5c84f5cf3318a50dc168e0de60
Markdownf37c09c0f0d9dcb33374ed2b7b3405d47729345118b9c9f20df8036e86bb9387
PDF
Publication page297b129f771f112257a52724783d4984651c41aa1199ec1b7412b8b9e1432c15
Manifest0c848b58beb28993bf01d1c4b7f39b685a59a61bf4b1c477443abe7ef8e2e82a

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
Signaturez+W0KdTkPQ39tS6gNRbPfzrtUPdynnmUhmhEiCK7ZxSiXpLlH+4tVNy+bzxSAKGk4m4PuBT6bDbHxgSkMH/6DQ==
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

2026-09-17T12:14:35.144910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010450
observed 297b129f771f112257a52724783d4984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.127220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010450/manifest.json
observed 0c848b58beb28993bf01d1c4b7f39b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.109215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010450/publication.md
observed f37c09c0f0d9dcb33374ed2b7b3405d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.090760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010450/publication.txt
observed 5ca6f8e1f8e88290044259027765908c...
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.