OpenTechnical

OT-2026-000104434

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000104434) never changes.

Identity and time

Publication numberOT-2026-000104434 · never reused
Internal UUID01a0aea5-3421-7670-acdb-52a839e5b3b6 · 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-2026-000104434
StatusPUBLIC

Content hashes

Canonical text241e8017b6172258853c73c99f883468f3cf4a3d92b0573cdfa78d556539d3d0
Markdown74c5745fa99f022020c061be5c771cebd51d3ef01420ff9f1ebb1af1cc4306ec
PDF
Publication page6957d0f2144e4e082186afb1626a8cf9332c18a7ba602f7b12baa9b84b6ddfba
Manifest904f3b6be2c969879280a12aadd7ec9e67a5f7b7053230e8673ee4baaeaec4fc

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
SignaturehloErL8GWyfRDttTJv7BBmRaFkX1FFLJrwtcpJNUEosktRQR+zYacXY2VSyM9OM01T1TsVDZfs99Jlj6yXRaDA==
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

2026-09-17T09:21:42.620409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104434
observed 6957d0f2144e4e082186afb1626a8cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.603074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104434/manifest.json
observed 904f3b6be2c969879280a12aadd7ec9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.585955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104434/publication.md
observed 74c5745fa99f022020c061be5c771ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.568599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104434/publication.txt
observed 241e8017b6172258853c73c99f883468...
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.