OpenTechnical

OT-2026-000060648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000060648) never changes.

Identity and time

Publication numberOT-2026-000060648 · never reused
Internal UUID01a0ae8a-b7cd-7aaa-b2f0-9b30f6cebc02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060648
StatusPUBLIC

Content hashes

Canonical text8b62025fe3ffeacfb15ea8ddd6b512ac87cb2b31064687e88b5267755b019306
Markdown4aff76ed318507e47b99ac35c8885df873a896cbce8ab27406b4868df2edaa4a
PDF
Publication pagec45df188363dbe0255182dfbda3b639de21be97ab6fb1d97583b58c7b6853698
Manifest8142d86ed46030b5dacbafd252995cf5a1883315aa845a15b25ca5db691410c0

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
SignatureYWNRfcsPSdPWezuwE/I73lOn8CNlIKvVyRADO2ExmQ4yURgReYUhKwbC8SdwyTkIJEv/O7OL3b0DGR2Dv/6PDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:16.896675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060648
observed c45df188363dbe0255182dfbda3b639d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.878714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060648/manifest.json
observed 8142d86ed46030b5dacbafd252995cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.861209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060648/publication.md
observed 4aff76ed318507e47b99ac35c8885df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.842307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060648/publication.txt
observed 8b62025fe3ffeacfb15ea8ddd6b512ac...
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.