OpenTechnical

OT-2026-000088578

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088578) never changes.

Identity and time

Publication numberOT-2026-000088578 · never reused
Internal UUID01a0ae9b-8f0f-7465-abd2-8d41251fcf0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088578
StatusPUBLIC

Content hashes

Canonical text58a4cfa4d1e67bf73169657fe42881ecdd8663377f607b82ab94060402e83738
Markdownae85da61a929be8189d7173d32cfe79e3c41ccb40f6fed000e3dc4f0a1126472
PDF
Publication pagefdb4b55cdd370e2b83f4e02c1fd126c7e405a809e209f659ecfe13f255b3c71f
Manifest7908c360430bf755b74c1f3a8282939c5e71db9a0462d20f1a5ebf01b0ed2616

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
SignaturetR3702S9mrA97A9pQiyWQUi46WMvAEBKD5niCadGDyhHjfy06Ki5hbwPAYtkh8Hcv8gU7tT44bySOWqyikKADA==
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

2026-09-17T09:47:46.133620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088578
observed fdb4b55cdd370e2b83f4e02c1fd126c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.117734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088578/manifest.json
observed 7908c360430bf755b74c1f3a8282939c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.099784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088578/publication.md
observed ae85da61a929be8189d7173d32cfe79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.080987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088578/publication.txt
observed 58a4cfa4d1e67bf73169657fe42881ec...
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.