OpenTechnical

OT-2026-000009455

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000009455) never changes.

Identity and time

Publication numberOT-2026-000009455 · never reused
Internal UUID01a0ae6b-7562-77c3-be71-c4a4b1b507c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009455
StatusPUBLIC

Content hashes

Canonical texta8bc7a2217b764436d1741e9397c1076a792dc3cfbdfb61c0af1cb2ac5f4fe84
Markdown8ced12c643215f6b292315ff79df9afcb8923f5c3508e989db1a5f03375b2d20
PDF
Publication page73960b6f1001da6960190c37bf8ae8bc598aa7ec69d91e7a73e436c8b99bb913
Manifest227e0f9a57e7f9bf6a083cd001bb847b9ada239316c10ca377812ec256755665

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
SignaturepPE6PM1l2klGrYhVqNxF4bM78fdOHBSWteocEclsshIw/7kuoU/+mNcOu4YLKYJELnzswQEFwMDjri7TQNG8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:50.458609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009455
observed 73960b6f1001da6960190c37bf8ae8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.410384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009455/manifest.json
observed 227e0f9a57e7f9bf6a083cd001bb847b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.391268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009455/publication.md
observed 8ced12c643215f6b292315ff79df9afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.344852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009455/publication.txt
observed a8bc7a2217b764436d1741e9397c1076...
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.