OpenTechnical

OT-2026-000012618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000012618) never changes.

Identity and time

Publication numberOT-2026-000012618 · never reused
Internal UUID01a0ae6d-5561-7882-be24-ac469a0438d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012618
StatusPUBLIC

Content hashes

Canonical text7c5c0a6ef026ee27f14bfc9512e411288953c20d544759b810d7cb7ccbfd6a63
Markdownd1b079c303a9e7ac9b51c5dc431540c80f652f08fa70edbdd83acef73612ea89
PDF
Publication page9f3f05d3ab61c89a44c513cb366d16be187d6bf4639af791b578274050d2bc96
Manifestabd06689f6167443e5e6d4234676c98c6ed9cc71a220d0050ed85848cd987875

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
SignatureYwdhGS2QzLWwn1MyOlP8zg8NZp8Q5azKZI7l6wr1UDLiF1EXqvckz+nwvKNPuIdRnOf7iAu1KH1ze6gsWKQ4BQ==
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

2026-09-17T12:10:13.012393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012618
observed 9f3f05d3ab61c89a44c513cb366d16be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.993701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012618/manifest.json
observed abd06689f6167443e5e6d4234676c98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.971629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012618/publication.md
observed d1b079c303a9e7ac9b51c5dc431540c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.951731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012618/publication.txt
observed 7c5c0a6ef026ee27f14bfc9512e41128...
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.