OpenTechnical

OT-2026-000101407

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101407) never changes.

Identity and time

Publication numberOT-2026-000101407 · never reused
Internal UUID01a0aea4-0e13-71c0-a794-f81a8e9baf57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101407
StatusPUBLIC

Content hashes

Canonical text171ff25bb8860441db42beff46e8a0d0b4975371517c0ce83726fbe4ed78e18e
Markdownff77d933cebfa2780c1ea28fc971910e97cade7935e4dc3191e9f370234161f2
PDF
Publication page6e28e186bc78dc307f6ba5b32f1052685d0b08351dd998c1bb21518009effd76
Manifestb90c3634c1ec7e42a0dafbcfa15a45f7f7652a1b2ed74f4468ae2e214d80438a

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
Signature+fZV4qBAnY/gKGxv5zbHJmeS1DGMGmJEPLQM3eRQ64kLuj77UXS7ZdZQmPUuVIrksnLcKthFJzL0XfAsgo5WDA==
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

2026-09-17T09:25:56.866492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101407
observed 6e28e186bc78dc307f6ba5b32f105268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.849425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101407/manifest.json
observed b90c3634c1ec7e42a0dafbcfa15a45f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.831939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101407/publication.md
observed ff77d933cebfa2780c1ea28fc971910e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.813281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101407/publication.txt
observed 171ff25bb8860441db42beff46e8a0d0...
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.