OpenTechnical

OT-2026-000092320

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000092320) never changes.

Identity and time

Publication numberOT-2026-000092320 · never reused
Internal UUID01a0ae9d-875b-794b-8dac-0db76287dff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092320
StatusPUBLIC

Content hashes

Canonical textcea8eb4dbc9b1560e37ce27b2fbbeb01f2812ecfe44713bd7cbdec3fa1c4686c
Markdownf2a52159a8eb8032ee740700aa32edde082d5f1207ce829b7d49b0beda408804
PDF
Publication pagebfa98a29395de9e88700bff6ba4974dae7a17192d04c52d87a8826a0767de474
Manifest1810ff6432c9f3f18ca627357c947ddd58528a1ffb0ba2d5df80dc01cfc1e6d2

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
Signaturewa3hmxzf9aYhIek4/rovB1euO4vWfKUZ0NhB3polI7whyRDXlz4MLCXh3JUX4NN/1Gp41D2db6rmrhgt+XkdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:51.860299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092320
observed bfa98a29395de9e88700bff6ba4974da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.842152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092320/manifest.json
observed 1810ff6432c9f3f18ca627357c947ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.824837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092320/publication.md
observed f2a52159a8eb8032ee740700aa32edde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.807493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092320/publication.txt
observed cea8eb4dbc9b1560e37ce27b2fbbeb01...
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.