OpenTechnical

OT-2026-000098255

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000098255) never changes.

Identity and time

Publication numberOT-2026-000098255 · never reused
Internal UUID01a0aea1-e964-7724-bf91-4a96d6dc54ea · 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-2026-000098255
StatusPUBLIC

Content hashes

Canonical text6f591567b32749b427ed542615e8b2f31b58da540570ae635a4000a1316201b5
Markdown8e8b512764eedaa2efcd44bd0eb906050adaa5336fc2c301904d76490228b373
PDF
Publication page91f046e4dcf7caa0dd8fb2af4d059def3fd9f975a6eb324d6a278fa8a3e4d712
Manifestd50217f494313762beb37b3d9e8be5676a46e4b07404243d8895fab9af0f8f79

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
Signatureadu3V7o/rRWr2lAO+3vW0YT8WzXGlG9j8tKUNsNDzn9CmI/8j63lzEViEGSU51wxDJ0B2XP6NnSlm+F21NyYDQ==
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

2026-09-17T09:31:26.567335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098255
observed 91f046e4dcf7caa0dd8fb2af4d059def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.551353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098255/manifest.json
observed d50217f494313762beb37b3d9e8be567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.533799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098255/publication.md
observed 8e8b512764eedaa2efcd44bd0eb90605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.516198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098255/publication.txt
observed 6f591567b32749b427ed542615e8b2f3...
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.