OpenTechnical

OT-2026-000065641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000065641) never changes.

Identity and time

Publication numberOT-2026-000065641 · never reused
Internal UUID01a0ae8e-46fa-7207-b244-56ec04b19a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065641
StatusPUBLIC

Content hashes

Canonical text45d97c0bf1a69a9c470210be0381edb26cbdcf751a5f6f2bdf755c8cc1acd7ad
Markdownc57bfea4af0e66a7a4efb15984833a306d1c9c5eb60fa2ba80cfe255f287d57c
PDF
Publication page76f3517f937e82d7b312685afdf914e97e49037038b0d547d0bea7a7342f9ea5
Manifest8d40a98af5e2c9ddeed01922b16e412bcbee724b6988e7ba710a821926628af5

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
SignaturexFpVK0/tVOJat2nPCZn1ckaD2LEy+G1VbAotw3MDxy0gsI+6X7F8ACG9E+H/1Jw4+d/zlIeFpjhR/W6K8Z4IDg==
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

2026-09-17T10:34:02.236107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065641
observed 76f3517f937e82d7b312685afdf914e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.219288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065641/manifest.json
observed 8d40a98af5e2c9ddeed01922b16e412b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.202905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065641/publication.md
observed c57bfea4af0e66a7a4efb15984833a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.185133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065641/publication.txt
observed 45d97c0bf1a69a9c470210be0381edb2...
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.