OpenTechnical

OT-2026-000101428

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000101428) never changes.

Identity and time

Publication numberOT-2026-000101428 · never reused
Internal UUID01a0aea4-0e14-7d3c-a438-863a0f94b299 · 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-2026-000101428
StatusPUBLIC

Content hashes

Canonical textc25f25c52f53e3acc42ec2cf393fdd9263e90e529566c364171c71aea651bcd1
Markdownec57ffc18f0cce9c66f28d504cb609989faf3c273ad2b7e9242993b7a53baae6
PDF
Publication pagef3f32a5cd9c5bd200ed2a7fe4790b0be55c333ae43a7a0acbeadec8c404ef93b
Manifestda3f7d98f865c911a2cbfe6d9b42c464be00de0ca40498f78c1a12f3427cfdd8

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
SignaturelefR2wzC9//Pel3dXq1U1rPEmAAhc5mwAWzvNkoLuhe6L9R964SyC/LlGKJU0NHdzVPfXBVtTK0lehUXoXTMBg==
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

2026-09-17T09:25:58.186219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101428
observed f3f32a5cd9c5bd200ed2a7fe4790b0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.166829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101428/manifest.json
observed da3f7d98f865c911a2cbfe6d9b42c464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.116550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101428/publication.md
observed ec57ffc18f0cce9c66f28d504cb60998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.071933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101428/publication.txt
observed c25f25c52f53e3acc42ec2cf393fdd92...
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.