OpenTechnical

OT-2026-000104378

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000104378) never changes.

Identity and time

Publication numberOT-2026-000104378 · never reused
Internal UUID01a0aea5-3421-7310-ae39-6c32d30140ac · 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-2026-000104378
StatusPUBLIC

Content hashes

Canonical text044342467c7d2e6ef377a0080f16196ae1444bd8f5f2415c7a9e6b376f7655ac
Markdownbbcf89805fa2d8722195c03da6579309f0e5a6433fc3dae727d15a41db42ebb7
PDF
Publication page966c9d6909f50ea00a4bb15cd875b16bb7815464afd40264c103f08c524d736c
Manifest92f98218fd9a0a528baf45e429dfa8e216fc9e10cd3b4bc965703d2a27e09185

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
SignatureMCjhIfLr0po5LmB+HB70PjQJCvOnCX8enE7IFbcls2180EVcZgv6U0p1f7YVe72Kj+rZCLU5w+uiE1qemWd2Bg==
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

2026-09-17T09:21:38.512383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104378
observed 966c9d6909f50ea00a4bb15cd875b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.494369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104378/manifest.json
observed 92f98218fd9a0a528baf45e429dfa8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.473853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104378/publication.md
observed bbcf89805fa2d8722195c03da6579309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.453742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104378/publication.txt
observed 044342467c7d2e6ef377a0080f16196a...
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.