OpenTechnical

OT-2026-000104430

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000104430) never changes.

Identity and time

Publication numberOT-2026-000104430 · never reused
Internal UUID01a0aea5-3421-776e-a80d-2474e15970c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104430
StatusPUBLIC

Content hashes

Canonical text86f7faf92ebe226cbed9fdcc38e987c35ecca9c947a4565da47bd972d66bf737
Markdown00cd61fe4e58a3036c00679423a2cfb2fa4b11508a247efb2dcc164fbc6a59c8
PDF
Publication page5c00afd46e7720fb2dd0fc4ac6e5ab894a23984917ebd676a6df52af1196312e
Manifest33adb4036adb05c99e8b70200aa81b0b3c105787c930486bd325a3d6a16c5789

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
SignatureBD1SIrBR4YAT98NhCRhCsRSfTDrAkUYqzvxdWbN9KWlawXB0zJRmUa41g6izZDXuuqoX8zXArxnUmGCngFx2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:42.326734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104430
observed 5c00afd46e7720fb2dd0fc4ac6e5ab89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.309437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104430/manifest.json
observed 33adb4036adb05c99e8b70200aa81b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.291685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104430/publication.md
observed 00cd61fe4e58a3036c00679423a2cfb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.273556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104430/publication.txt
observed 86f7faf92ebe226cbed9fdcc38e987c3...
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.