OpenTechnical

OT-2026-000101070

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000101070) never changes.

Identity and time

Publication numberOT-2026-000101070 · never reused
Internal UUID01a0aea3-c377-76a1-b847-acad38fe5df6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101070
StatusPUBLIC

Content hashes

Canonical textdf0586e6d3c5bba30c9fbf38c9fe89db2e76e9eeec1c21ef8fc4940263ae24d2
Markdown2775f84999f8e61bd2edbc934109802301331d95227031095290129e86427fc1
PDF
Publication pagef15f222ecbb55fbedbd4223ba99bd7c34e6d2adcb6b2b4462b876aa27c83e5ea
Manifest28da9a9b67ac659e51b0e8138f3eeeb9684e2eb3675679a787f6798d570cda26

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
SignaturellJFOYtrzStYFG7ril6sgxM4kegJfWCE3M7yhcOa3CKTArYCKYuufaOLFARgUYoU4rrt7SeXHlusoggnihdiBQ==
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

2026-09-17T09:26:41.165367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101070
observed f15f222ecbb55fbedbd4223ba99bd7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.146968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101070/manifest.json
observed 28da9a9b67ac659e51b0e8138f3eeeb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.127579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101070/publication.md
observed 2775f84999f8e61bd2edbc9341098023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.109103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101070/publication.txt
observed df0586e6d3c5bba30c9fbf38c9fe89db...
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.