OpenTechnical

OT-2026-000088340

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000088340) never changes.

Identity and time

Publication numberOT-2026-000088340 · never reused
Internal UUID01a0ae9b-5d27-7bd2-86ef-9d2eedffe42b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088340
StatusPUBLIC

Content hashes

Canonical text3bb9b898a84a9301087655d4a7caaff8388a008d3c0f67e2a23bfb32901667f2
Markdown3ef937be533a1726d84739f9482d2b0daccecb98f9876dfaaec1319507d216c4
PDF
Publication page75d37a4bd20507d230a439337078de31c87c650ff366b457008b34c0792c8112
Manifest7aae35615150367a47140364cf3c2a6451ce5686abb5e554ca6d744c220ed0e2

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
SignatureQ8olVlyhoyN1fMe89D6d0eMGAfwjxJQAoU4pfqj8QRwzkqBqUiG0VHYO9J29VnMtm4vpyttFRZEppxJe2mdsAA==
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

2026-09-17T09:48:40.650904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088340
observed 75d37a4bd20507d230a439337078de31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.632988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088340/manifest.json
observed 7aae35615150367a47140364cf3c2a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.614889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088340/publication.md
observed 3ef937be533a1726d84739f9482d2b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.597963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088340/publication.txt
observed 3bb9b898a84a9301087655d4a7caaff8...
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.