OpenTechnical

OT-2026-000022469

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000022469) never changes.

Identity and time

Publication numberOT-2026-000022469 · never reused
Internal UUID01a0ae6f-f4fe-785a-87c4-1de6206839a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022469
StatusPUBLIC

Content hashes

Canonical text8f7c91a6259ffe466968c7616ed753173a1f3397cf77e42c5394a8b85515d08e
Markdown4eae3fe496f1c21b84fd98434f60f7d48334d707e64d532546f086ccaf7deabe
PDF
Publication page106e42e6b961806e9c555df1eea25e6e6617f6950ab4da5f1aa26337db8c3668
Manifest2897e38b388106e4968e7c91bff1fb46accff6ab5774e0748f2a4fd7c8022a19

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
SignaturedjjR7VdkSvZgediEyrBebLmEivG1SOM/UmwmDSm8ETfXE2Hr6MdHAfF0ExpBlPc9UVtTkehbQQag5YggWeLIDA==
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

2026-09-17T11:53:52.233415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022469
observed 106e42e6b961806e9c555df1eea25e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.215733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022469/manifest.json
observed 2897e38b388106e4968e7c91bff1fb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.198484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022469/publication.md
observed 4eae3fe496f1c21b84fd98434f60f7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.180930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022469/publication.txt
observed 8f7c91a6259ffe466968c7616ed75317...
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.