OpenTechnical

OT-2026-000079356

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079356) never changes.

Identity and time

Publication numberOT-2026-000079356 · never reused
Internal UUID01a0ae96-0b90-7216-ad62-8755292c59e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079356
StatusPUBLIC

Content hashes

Canonical textfffea64e2fd523d2623766d100a55cc36feaed6d1d62ddc738f1e34cea1e13a4
Markdown32053d8a0722197deb1c47a84c263908eada3636564b6778909f089642e772ee
PDF
Publication page06df17c82fe64412a0bb161331e57f4fc24337653afd839512bbd038abd4836c
Manifestbb9035ec1e43ea8ad9dc31be95b043258d8f9e7994f95f5f8a38d2bde50d9d8d

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
SignaturevJC2dIc0txnaNfCbg4mD/4mQ12khLfBriqnuN9mHTjrNYvx6vkP6A6A1bYp+FgGaFbrzuybvFRMV23eECkcuDw==
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

2026-09-17T10:04:58.365148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079356
observed 06df17c82fe64412a0bb161331e57f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.345637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079356/manifest.json
observed bb9035ec1e43ea8ad9dc31be95b04325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.326648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079356/publication.md
observed 32053d8a0722197deb1c47a84c263908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.308119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079356/publication.txt
observed fffea64e2fd523d2623766d100a55cc3...
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.