OpenTechnical

OT-2026-000074067

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074067) never changes.

Identity and time

Publication numberOT-2026-000074067 · never reused
Internal UUID01a0ae93-2b8f-78ef-8cc0-a828df41c89d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074067
StatusPUBLIC

Content hashes

Canonical text2dd467160ed69123d2cfb470bbaacc21f520bc8427b3e1c4b4fd7ef42b918bed
Markdownc3e81c8db03766560e3506f2393d3705b380df049d34dcfa13d1155da5b4de2b
PDF
Publication page8036aa4a633698fc4daee91431ccdf917ab645e6a05eccf85c7f1c01c953dd8f
Manifest6da49969c51f33a70535141750d420b597a3121e7f828092872481bb33ca3846

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
Signaturel0IcRr34TrnJQnRv1J/CqkYSLqBWnicZBmVryZOxJCDAnXCcb2sAQGDTW29NVpwv6QurgjFAJngaE7a+f1xNDQ==
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

2026-09-17T10:20:23.871176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074067
observed 8036aa4a633698fc4daee91431ccdf91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.852501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074067/manifest.json
observed 6da49969c51f33a70535141750d420b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.832373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074067/publication.md
observed c3e81c8db03766560e3506f2393d3705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.814150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074067/publication.txt
observed 2dd467160ed69123d2cfb470bbaacc21...
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.