OpenTechnical

OT-2026-000004808

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, contact triggered

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-2026-000004808) never changes.

Identity and time

Publication numberOT-2026-000004808 · never reused
Internal UUID01a0a923-fff9-7bc9-9fdc-8feecf20a142 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:35:03.932177Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004808
StatusPUBLIC

Content hashes

Canonical text3800927c2a16875dc1041ae9a2203c9ed4c5216a74ca5b119d0aa48e9d5db612
Markdown7a4a7b06d99ab7ba255496d1e55b42ee394fae9f8a7290df123fb5ea4f1fbe26
PDF
Publication page8b15a25ba13df750625c3d32475136f20caa98a78c2d6c3ec44fb81938f114f0
Manifest6f2ff3d86e9c64835cccc0747e80d47f06fc580519c30376ac7fc900a92f71aa

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
SignatureneLvWyn3isKkHPIePTdBgxCDjZnpsnpUSW7sQzUygyQ54xPfS+k/tcjKm7YaxMsQbVgtvrsVtxLgCPjAO0JWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:16.878290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004808
observed 8b15a25ba13df750625c3d32475136f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.738873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004808/manifest.json
observed 6f2ff3d86e9c64835cccc0747e80d47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.725808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004808/publication.md
observed 7a4a7b06d99ab7ba255496d1e55b42ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.711959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004808/publication.txt
observed 3800927c2a16875dc1041ae9a2203c9e...
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.