OpenTechnical

OT-2026-000062169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000062169) never changes.

Identity and time

Publication numberOT-2026-000062169 · never reused
Internal UUID01a0ae8c-0abd-74cc-b354-649193650aed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062169
StatusPUBLIC

Content hashes

Canonical text6674dc6042b13cff7104efc5b8244e79fa401fc57e16cd4150331a47efc7bc4f
Markdown126f3804a30825bdd9a383493daca3335f6aeea521d04ba92320e571e8a93949
PDF
Publication page1fe9c422dd6654b67f3ad107353b1f90de10fbe58feb4fcb6a5952ee4030178c
Manifestfe2d24a8895ffbacfe4a8e75486ff7b1f97031200d318675546f510c18c5b636

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
Signaturebjp030X7V+l3hIuvURuQ/bHJm9cZSe0MkcCZv98vQtjKc6ZHZBGPZIRZXh3gg7cGG7Ttsa+jpOBjVgPtT9JPCw==
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

2026-09-17T10:39:25.397911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062169
observed 1fe9c422dd6654b67f3ad107353b1f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.378782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062169/manifest.json
observed fe2d24a8895ffbacfe4a8e75486ff7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.355122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062169/publication.md
observed 126f3804a30825bdd9a383493daca333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.334561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062169/publication.txt
observed 6674dc6042b13cff7104efc5b8244e79...
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.