OpenTechnical

OT-2026-000016974

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000016974) never changes.

Identity and time

Publication numberOT-2026-000016974 · never reused
Internal UUID01a0ae6e-591a-772d-89b0-3680be916dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016974
StatusPUBLIC

Content hashes

Canonical text7347076713c05644ec1ba06f7e0b67e5d228655bc10b48137dd82f5b85616fcf
Markdown2a5731fc1d13685532900ed00188e5421c437a8555f1076dd22a1794c1102eac
PDF
Publication page6123123e32e2322aae688e4d5d0491e00145300c82e15ef4d7538736bd998599
Manifest117d368234ce26cdd4c98113931d4f6001fc90b990dfa10335d6601a66e917f9

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
SignatureZdtQv4/KgqiUPBLX4TyGArwlh4VkdNQXjhEQLGTOmoYxHySc3DJ9ZXy/Qy0G4fEQvxEkJ+9wxTZ6nFQtaoHdDg==
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

2026-09-17T12:03:22.429403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016974
observed 6123123e32e2322aae688e4d5d0491e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.411074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016974/manifest.json
observed 117d368234ce26cdd4c98113931d4f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.392692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016974/publication.md
observed 2a5731fc1d13685532900ed00188e542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.376544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016974/publication.txt
observed 7347076713c05644ec1ba06f7e0b67e5...
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.