OpenTechnical

OT-2026-000046139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000046139) never changes.

Identity and time

Publication numberOT-2026-000046139 · never reused
Internal UUID01a0ae7e-032b-7579-89d1-755695886d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046139
StatusPUBLIC

Content hashes

Canonical text49babef3f177e8848ac33ffba8b5c8241f96aebd62a06f55f1a2a9ba0fdf0874
Markdownced0134b0cc1169eb66cf38b4a42a1cac1925c82d5d99ac6a04de982685f4b21
PDF
Publication pagef39d0b1784af1e691f612400fc01d1bb466b20a62e8b391a8fa226af9d9a09ac
Manifest8a4dac84f469df0f4b5118818b7a366b8fee8ca45ec9a971e276f6437e5b7bea

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
SignatureFWrn4ZjPLAfwnmiApfMxJFcdDBkuyI2Yw6XkRLu8lxb9sXtbwQufiN/lqZkskL5pb6xelw4tfSDl1AakTDheAg==
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

2026-09-17T11:09:07.806682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046139
observed f39d0b1784af1e691f612400fc01d1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.788385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046139/manifest.json
observed 8a4dac84f469df0f4b5118818b7a366b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.768796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046139/publication.md
observed ced0134b0cc1169eb66cf38b4a42a1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.749606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046139/publication.txt
observed 49babef3f177e8848ac33ffba8b5c824...
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.