OpenTechnical

OT-2026-000089588

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089588) never changes.

Identity and time

Publication numberOT-2026-000089588 · never reused
Internal UUID01a0ae9c-1a21-75bd-9f0e-c26ba29ae958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089588
StatusPUBLIC

Content hashes

Canonical text000a592a14ab6848f51ded4aabac08fd83662d6f4094db82691fbe0c34ee6aac
Markdowne28fb7c21a2b2317c2eac873219304fc8537492b79b1de993a4305e62491a244
PDF
Publication page55aa7294c071a94f6b3cbab7a508483627bc92566bd4f74b951ac69cf2f9d546
Manifest930a937303e73247f1eab0ce173c7d336530757af13abb6a82943e6de2d0e069

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+S/xGWsd171KcDGfhdiiYvZ36XtlWQJ8nE03lecDI096aasem1P3F6N29d1y8JfZ2rQwrpw9Kl/4qJsNcvCsBQ==
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

2026-09-17T09:46:33.856989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089588
observed 55aa7294c071a94f6b3cbab7a5084836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.839252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089588/manifest.json
observed 930a937303e73247f1eab0ce173c7d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.819779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089588/publication.md
observed e28fb7c21a2b2317c2eac873219304fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.800806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089588/publication.txt
observed 000a592a14ab6848f51ded4aabac08fd...
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.