OpenTechnical

OT-2026-000086254

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086254) never changes.

Identity and time

Publication numberOT-2026-000086254 · never reused
Internal UUID01a0ae99-e82c-716c-9ddc-678470f22cc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086254
StatusPUBLIC

Content hashes

Canonical text73d617af22955747d19f63f8bda3dc1245566a981eb883b9df57d49a3abb0a59
Markdown957e8afa7f931990e0d8ca490d754cef5b5574e1364022510045044f79ad9088
PDF
Publication page11987fcfb165d093c61ddcb8e27bfeb1325db350fb1197c28263cd07bf9cbf1a
Manifestdc0677c9ee00612658a1d51fa2b98c7ead61623167f1836b956b98b7bc0b78a1

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
SignatureBvcgyqtL522EPMVSodphLyMUVERbPNxvuhxOE0TA1DJaLcHJEAs4tJT+k5vdRwe+9RVmeU10SgNfjChbXAiOBw==
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

2026-09-17T09:53:56.811071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086254
observed 11987fcfb165d093c61ddcb8e27bfeb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.795166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086254/manifest.json
observed dc0677c9ee00612658a1d51fa2b98c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.778769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086254/publication.md
observed 957e8afa7f931990e0d8ca490d754cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.760876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086254/publication.txt
observed 73d617af22955747d19f63f8bda3dc12...
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.