OpenTechnical

OT-2026-000011883

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000011883) never changes.

Identity and time

Publication numberOT-2026-000011883 · never reused
Internal UUID01a0ae6d-1942-7c00-b5eb-7092bd4fc71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011883
StatusPUBLIC

Content hashes

Canonical text4d686abe301a541e4ab3d36231595f2044375042b6d051d954ccdb302044c929
Markdowna94616c41defeebc0c33eec9572d6ad6e6a44eded01f32c3cebc4e3030776f02
PDF
Publication pagebd5494d901b37990722fa649af1e138f6bf244c2884e12da06e57f3ba71e21f7
Manifest073367f53fa3261089e0b011670341dabd08b5cef0293f11d8cf8d1998725ca4

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
Signature7cUXGeAdQjpmog+q1v07G6PE/YMSI5Y8YcgM3sTJ/Jvz7I+u/XntEUKfeOv6XCVnlq/Pgf65JdUzFg0di/fGBQ==
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

2026-09-17T12:12:38.126170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011883
observed bd5494d901b37990722fa649af1e138f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.108006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011883/manifest.json
observed 073367f53fa3261089e0b011670341da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.090786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011883/publication.md
observed a94616c41defeebc0c33eec9572d6ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.072569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011883/publication.txt
observed 4d686abe301a541e4ab3d36231595f20...
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.