OpenTechnical

OT-2026-000103424

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000103424) never changes.

Identity and time

Publication numberOT-2026-000103424 · never reused
Internal UUID01a0aea4-e460-7439-8d9a-3625532aabe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103424
StatusPUBLIC

Content hashes

Canonical text1ba09b894b8710d9f01e91c7530ce87ffb2bf069b4c255cb3696364b8f20d52c
Markdown0a132ee341d79f331ed67d1f7b4c3c0c08052cd8bbc1b6b77da70ba71200cdc4
PDF
Publication pagebe7925b8de78f7b8557d3c071798eb3bb51e2917b01acadd7ae0611329e4f76b
Manifestc5ca32d463111952bd3f56ca9546cc3f8b113bfee0f8bb49dfe15e2daa438e35

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
Signature0fNjkETmzMwid+aBzvdMVDvkbn8Q0Kuqyzqy9g3S72YXWV+SP0XVijgaxf6lkkISi3zWeWOXSiio0Ghe4VR6BA==
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

2026-09-17T09:22:10.404627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103424
observed be7925b8de78f7b8557d3c071798eb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.388421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103424/manifest.json
observed c5ca32d463111952bd3f56ca9546cc3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.370455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103424/publication.md
observed 0a132ee341d79f331ed67d1f7b4c3c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.353012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103424/publication.txt
observed 1ba09b894b8710d9f01e91c7530ce87f...
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.