OpenTechnical

OT-2026-000104031

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104031) never changes.

Identity and time

Publication numberOT-2026-000104031 · never reused
Internal UUID01a0aea5-341e-7237-834e-6943fde2305b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104031
StatusPUBLIC

Content hashes

Canonical text6816e207324355595cd2173ca5f2e55d841e5d020da48d23c77c1755c41128cc
Markdown3383894c5c61f79e13a8b3487ebb03f69901378ac2166e3adc9ee10f7faeaa29
PDF
Publication page64760977dd5157109b5f7bcc7ff78093199cbb13f3ea985129698b088dbd5111
Manifest0b8e41b590e6c826a81e59bc5602e5c4348beff667ab6bd07fddb2fb003937c2

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
SignatureNm4iZ2dtwlFtN2PITsrYT6CZML6ntvwAidZDZBWRtTlmcWW+F0OpBX5gdvmRjTotU4weKLgXzLammpufAy93DA==
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

2026-09-17T09:20:05.635502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104031
observed 64760977dd5157109b5f7bcc7ff78093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.615600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104031/manifest.json
observed 0b8e41b590e6c826a81e59bc5602e5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.597769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104031/publication.md
observed 3383894c5c61f79e13a8b3487ebb03f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.579726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104031/publication.txt
observed 6816e207324355595cd2173ca5f2e55d...
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.