OpenTechnical

OT-2026-000098271

Publication integrity record

Three 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-2026-000098271) never changes.

Identity and time

Publication numberOT-2026-000098271 · never reused
Internal UUID01a0aea1-e964-7ec9-a24d-f7ac6a90bffb · 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-2026-000098271
StatusPUBLIC

Content hashes

Canonical text2d4cd76c64cb537397a0970251edd5b0e69915842c7a65bb009aa2e3dacfaf22
Markdown55f66088a652c123dda42d226c80c499d3a332d2a615110af03241ffb9376855
PDF
Publication pagedfb5e4cb83ff0d4e67c6ad043e307eb1ff9d1885ed9d439fcd3fc4fe58a983f4
Manifesteefbf7244b032ada5a6b1dc8ed9ede4ceb8dd81e80388c63adee23f6ba2d30d7

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
SignaturewgOvdLsQC2yq14XbbaXQsjqIptrwhg+OQRKYGAJsz9OayvQuE416rJ70JCJFj5KJK1XC0F8+92jTf0JikCrBAA==
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

2026-09-17T09:31:27.907806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098271
observed dfb5e4cb83ff0d4e67c6ad043e307eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:27.889994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098271/manifest.json
observed eefbf7244b032ada5a6b1dc8ed9ede4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:27.872534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098271/publication.md
observed 55f66088a652c123dda42d226c80c499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:27.854161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098271/publication.txt
observed 2d4cd76c64cb537397a0970251edd5b0...
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.