OpenTechnical

OT-2026-000042367

Publication integrity record

Three cup vacuum gripper, three 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-2026-000042367) never changes.

Identity and time

Publication numberOT-2026-000042367 · never reused
Internal UUID01a0ae7a-5d74-7502-9028-c0d24527a153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042367
StatusPUBLIC

Content hashes

Canonical text216a29e4c69681f5c797b32f93f22038c3062fd3f5bf72ea7186588aa3e5102f
Markdown2636877551a995d9c19af4b15eccbfec6fce156383350b3924f4abc6296eb7e5
PDF
Publication pageed58704d427161be5321b8fa2e614d1852882ee0b964b50863c292263fa2327d
Manifest862f51aaa828318376f54b0982fb5df859f2a8dc91eef781a0311c3f018eaf3d

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
SignatureOKjrtwcuO+gzzX+IeSmy799DfUE78efUftzmUAgei53l3VwGCky/YWRM8aV/DvYyE87OJmZB2NGUF8s5CHmCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:09.289649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042367
observed ed58704d427161be5321b8fa2e614d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.272906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042367/manifest.json
observed 862f51aaa828318376f54b0982fb5df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.253720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042367/publication.md
observed 2636877551a995d9c19af4b15eccbfec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.235205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042367/publication.txt
observed 216a29e4c69681f5c797b32f93f22038...
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.