OpenTechnical

OT-2026-000041198

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000041198) never changes.

Identity and time

Publication numberOT-2026-000041198 · never reused
Internal UUID01a0ae79-b143-736e-96a6-bba31e363c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041198
StatusPUBLIC

Content hashes

Canonical text6ead7b5bf6172de9b97cdcd5659536c2cef0f149158dab13ca8fc06ae8b9141f
Markdowned0143c376cb79ecf6bbae1a779be9cf1d86ae6b089b10f7bdf13d5017f5e3a9
PDF
Publication pageea20e98d9f3fed332dbd6d5c150328742e8245c0bc418570bb3ddedd27c7843c
Manifest4572e671cc79704c3c717a64c10c4f3706cfc9eb69b290b15cae882d9a5d6da3

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
Signature4S3DJdr85cLjAAiyOlHrFSENMHLiTLZpeBmNWUjOtgW5JZPmrRXGuAQFrGA3FUjqqycM28PUIRQHPuEf8ksnAA==
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

2026-09-17T11:17:09.233444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041198
observed ea20e98d9f3fed332dbd6d5c15032874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.216478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041198/manifest.json
observed 4572e671cc79704c3c717a64c10c4f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.197648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041198/publication.md
observed ed0143c376cb79ecf6bbae1a779be9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.180985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041198/publication.txt
observed 6ead7b5bf6172de9b97cdcd5659536c2...
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.