OpenTechnical

OT-2026-000023494

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000023494) never changes.

Identity and time

Publication numberOT-2026-000023494 · never reused
Internal UUID01a0ae70-7269-72e8-8834-8a9a83687d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023494
StatusPUBLIC

Content hashes

Canonical text9a11b72ef963db1de283d18d5163c527466fcd213724fc4ab3568e571009548d
Markdown18de7337e7d15fa21be4453e5fea1a0335ca2ba6a0c598d36274fed28a66dafc
PDF
Publication page49bcb053bafcfa7bfa4d786d726ac6297ed2e83f4aa9c94fd304dbde0a9d7423
Manifeste1753eee7bbf712bfed36a44d56f1d0aa75bc355f1a3598c9af8eef08bd10bd6

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
Signature1X1aMmJzXfP1MW7DM0zUBSbZ154Fpr2bBSSw/PJxlrFwgBFZfubSq60XuJbNmCmgiEY+ZfxJZXK91IelgYekCA==
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

2026-09-17T11:51:43.507183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023494
observed 49bcb053bafcfa7bfa4d786d726ac629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.489271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023494/manifest.json
observed e1753eee7bbf712bfed36a44d56f1d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.467815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023494/publication.md
observed 18de7337e7d15fa21be4453e5fea1a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.444071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023494/publication.txt
observed 9a11b72ef963db1de283d18d5163c527...
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.