OpenTechnical

OT-2026-000048370

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000048370) never changes.

Identity and time

Publication numberOT-2026-000048370 · never reused
Internal UUID01a0ae80-4de4-7341-8074-72aa6f3c1e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048370
StatusPUBLIC

Content hashes

Canonical text1b93783bf3a605b251d0ddd4681881543507783603f44d70dd7fc358bd0b044f
Markdown09b66dd78213e82f1731313720cf79f5b0a8d6834902a9593f5fe7f9f5025914
PDF
Publication page9ea04aa39a8cd98d3272ffbb25f55527887e7b29a40b861fc90997b030d0ec4d
Manifest9fc9a9ba2e8695ed4342c5697c5eefe4b397f446328da0eb2edb0392e1cb13d9

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
SignatureWQRfIi2qcww9HGV9659JpfQHIGk2jC4gYireciu5srrZR5q4vLsKifwGEzuVLagE2s4l061I35RPic1ClKLlBg==
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

2026-09-17T11:04:59.670637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048370
observed 9ea04aa39a8cd98d3272ffbb25f55527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.651881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048370/manifest.json
observed 9fc9a9ba2e8695ed4342c5697c5eefe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.633529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048370/publication.md
observed 09b66dd78213e82f1731313720cf79f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.616014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048370/publication.txt
observed 1b93783bf3a605b251d0ddd468188154...
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.