OpenTechnical

OT-2026-000087447

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, 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-2026-000087447) never changes.

Identity and time

Publication numberOT-2026-000087447 · never reused
Internal UUID01a0ae9a-cd50-77b1-ad9d-f5592abbeb9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087447
StatusPUBLIC

Content hashes

Canonical text77c157aa67f85a2f3cdd4b33c0d29905d9fface76c44ca1c953ed0f5209d9c5e
Markdown7fb1b3d1a83347cdd2e3770f92e43a2597a8013f36c60f9f224ad4acdc0b7c49
PDF
Publication pagefde826d9daaa1a1409dfc2ddf435612a3e836531e079f1b01047cd1e136defc5
Manifest9852a765b5839aad535427b278cdf0ae2565f755e405221bc71211fe42f81391

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
SignatureV3t+LB5KEWjnwksm8n/7aUfFeQGCy+eBNPjA/85uNqXS7cKTIbu0617m6lFfeMdbKh1xnQSJgj96MNH0DXb6Dw==
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

2026-09-17T09:50:46.237322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087447
observed fde826d9daaa1a1409dfc2ddf435612a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.220014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087447/manifest.json
observed 9852a765b5839aad535427b278cdf0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.202296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087447/publication.md
observed 7fb1b3d1a83347cdd2e3770f92e43a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.186198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087447/publication.txt
observed 77c157aa67f85a2f3cdd4b33c0d29905...
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.