OpenTechnical

OT-2026-000068251

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000068251) never changes.

Identity and time

Publication numberOT-2026-000068251 · never reused
Internal UUID01a0ae90-247f-7039-990c-220dc0f4ab0b · 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-2026-000068251
StatusPUBLIC

Content hashes

Canonical textdc0885c791104c434b1f5d9003e350b3ae64f6523f6c9900ee2186012d2ef853
Markdownbfcaa7f52929e16be11bd4ee54b2cc660aad8b7477ad5293b7967f6968ac119c
PDF
Publication page9caa3fb9ee96bf93e591bc2cc11893f7f1264667c8311a30895a5ac8025b8d9f
Manifest80131b2da9debac399c158e0c2a908e3066b969ced3b6ebfd01fa3f4d9d51e45

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
SignatureMZAROWKyDbmyRi5eYAMwXzamzQawOqD81W2j/zpTS0G2gKzsnd0Hgyr3h9Aaq3qH21fIvPO5ECrZ6mPMoJYwBA==
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

2026-09-17T10:29:16.410001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068251
observed 9caa3fb9ee96bf93e591bc2cc11893f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.393433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068251/manifest.json
observed 80131b2da9debac399c158e0c2a908e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.376239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068251/publication.md
observed bfcaa7f52929e16be11bd4ee54b2cc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.358596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068251/publication.txt
observed dc0885c791104c434b1f5d9003e350b3...
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.