OpenTechnical

OT-2026-000098228

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000098228) never changes.

Identity and time

Publication numberOT-2026-000098228 · never reused
Internal UUID01a0aea1-e964-7061-a33e-73b47046a867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098228
StatusPUBLIC

Content hashes

Canonical textb74663aefbd761ad638c8696efbb3f275e8e30672a369378fe3bc04401006d75
Markdowndbc164445a2abdf69cb708a1fe388cf56ba332d6a9f1e66b6b2b1cb99cdc1dc3
PDF
Publication page08df9879495b7c780bbd2a106d933efc37ead3c4475cfee6487c1a97a50fd219
Manifestdb14204f3e70cdf8ff5f957fca98e30d25ec3941430a36e932450d517a8f4b32

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
SignaturexhkLGekGDFmk11u/ohCNDn42hjE4TcnKhOBD+ZbQ0X7bB+q4Lc0ONyp+SUcAmmUpTu/JOdNU/ER430ubIW7xDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:24.490496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098228
observed 08df9879495b7c780bbd2a106d933efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.473335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098228/manifest.json
observed db14204f3e70cdf8ff5f957fca98e30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.453723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098228/publication.md
observed dbc164445a2abdf69cb708a1fe388cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.434220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098228/publication.txt
observed b74663aefbd761ad638c8696efbb3f27...
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.