OpenTechnical

OT-2026-000102850

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000102850) never changes.

Identity and time

Publication numberOT-2026-000102850 · never reused
Internal UUID01a0aea4-be3b-70e3-b12e-e466d25a8ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102850
StatusPUBLIC

Content hashes

Canonical text157ab90e9c63a922f9a5998fab0b6444fdcc8c88935e456f1ab3dbd02b62f939
Markdowna113a0beb70f7561386fa11d753315e5400f624e61d57a80f604f3970fd3f03b
PDF
Publication page8f32991a7a4b13d0ab02417209845b4845e7df397a1acf7ce852b1dbe274ca10
Manifest77fec1e58fb20615a41274b69c32cee1493ade732381fb038d88cab9b51cc269

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
Signatureg9ejfBeEigSSxzkslz6SHgAVxFwcHMAnGt8PxQhaAwa/59W/UQ8uwmc0XEfX4Par6rjBzb1+kFg1YVLCPpXrBg==
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

2026-09-17T09:22:51.439788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102850
observed 8f32991a7a4b13d0ab02417209845b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.423401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102850/manifest.json
observed 77fec1e58fb20615a41274b69c32cee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.407285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102850/publication.md
observed a113a0beb70f7561386fa11d753315e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.391095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102850/publication.txt
observed 157ab90e9c63a922f9a5998fab0b6444...
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.