OpenTechnical

OT-2026-000081747

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000081747) never changes.

Identity and time

Publication numberOT-2026-000081747 · never reused
Internal UUID01a0ae97-0f74-74bd-aba9-955fe59f3ea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081747
StatusPUBLIC

Content hashes

Canonical text79903eee60ba4c94666a1e945bcf8e452ca4f8a5c7c0ce0cb70fb9a5c50671c8
Markdown1df432bb9ed4965c18f3f28ea9da6dd9c01791d4e7bad1d08f8e2fc021d0470f
PDF
Publication pagec3daa4ddf1267fba9ba580e97ab4e22eb3eaff53202d5c2f3cc520cd2398cd9e
Manifestae55d61bdc42bb3e50cf4a71d698320f9c8beb370258beb5076fc525c0cbc88c

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
SignaturewRKoju/+20JjXdt92DonwYliDvaqdFpTIP5EIk0Pn0YmOZz7c2DMSY13L+BlA1HXPyjeqH5k/dCNo7q4YyW3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:49.912938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081747
observed c3daa4ddf1267fba9ba580e97ab4e22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.895392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081747/manifest.json
observed ae55d61bdc42bb3e50cf4a71d698320f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.877815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081747/publication.md
observed 1df432bb9ed4965c18f3f28ea9da6dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.860770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081747/publication.txt
observed 79903eee60ba4c94666a1e945bcf8e45...
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.