OpenTechnical

OT-2026-000068597

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000068597) never changes.

Identity and time

Publication numberOT-2026-000068597 · never reused
Internal UUID01a0ae90-2482-7426-8c69-e2f4819a8a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068597
StatusPUBLIC

Content hashes

Canonical text2b5b6269eb594e19305aa9d8c57cd2a8ce857a6e3bad84289af986910da192f9
Markdown1fb97fbb1e903b576e7581cb3a95d7639e76a2073a5025f6b125fc9d841561da
PDF
Publication page9733381f53a7ed1ec0f846ece9a9f7edf57ba4bd632bbb62959f4b2f7f3440d3
Manifest850f5941fc93ceedf10b78149bb9f2417ecb3fbb29a7cfa350de7f3e4d6aa684

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
SignatureOUswB3ux1FHd1hDlTNikLsgBtv1E5CkjpKqiWPh5t4sUGpcr3olX06ItLKng7HwUAHvYs931TMy2bI0h+mqrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:46.536119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068597
observed 9733381f53a7ed1ec0f846ece9a9f7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.520515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068597/manifest.json
observed 850f5941fc93ceedf10b78149bb9f241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.503661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068597/publication.md
observed 1fb97fbb1e903b576e7581cb3a95d763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.486917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068597/publication.txt
observed 2b5b6269eb594e19305aa9d8c57cd2a8...
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.