OpenTechnical

OT-2026-000051421

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000051421) never changes.

Identity and time

Publication numberOT-2026-000051421 · never reused
Internal UUID01a0ae83-7c7f-76de-8906-23c62e414fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051421
StatusPUBLIC

Content hashes

Canonical text6590475251a54c0c40cd45d97862abb7f49364c0569de6835380c8ff09a7cb87
Markdown6f314067dfac2654f9b2e82705866723779f051a992c430fb8048b919a8ec936
PDF
Publication pagee2d92fd096213f5c675135e2a3371b645c2ba7560b00abe6a39e4c2ed9581454
Manifest7b5f7d0cd2f3600ad29d1696a65dd2781432e3d94b1dac47b440132544150a19

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
SignaturepIfHNB0/BE6gH3MMgZeS8pzfvHOVqlqo4i8UAKK5NFMb5ssEnpifP1JFsSxUdRwT51stP88/xOAplsQzVLaABw==
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

2026-09-17T10:58:08.278387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051421
observed e2d92fd096213f5c675135e2a3371b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.259432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051421/manifest.json
observed 7b5f7d0cd2f3600ad29d1696a65dd278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.241011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051421/publication.md
observed 6f314067dfac2654f9b2e82705866723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.222358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051421/publication.txt
observed 6590475251a54c0c40cd45d97862abb7...
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.