OpenTechnical

OT-2026-000068340

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068340) never changes.

Identity and time

Publication numberOT-2026-000068340 · never reused
Internal UUID01a0ae90-2480-7481-b852-a254d278a13e · 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-2026-000068340
StatusPUBLIC

Content hashes

Canonical text5f60d3e6fea2b7014f768c69254afbf3fb4fa1620ad95e6912a6ad5ae602dd53
Markdown20454dfed36b4d3fdf68fcd0b8921b3c9bffad3e6f08cc9f594ac1630fad99ce
PDF
Publication pagec0f528072ecf8a31d039a794585f9c78c247c0e4ca18f306443124b4c5fd15e0
Manifesta813d0fc9a709da0b2f085a97187a9b26a272574e10ab6c0e768041f57d596a9

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
SignatureFLiGTrZBNNM/5a8bC+RmM/HRwuAC3MS/WykqlQwuhYuZoBXOWHr+3VeJWrlFJlYN7Qsbrc+2jvbn/Td8XWChCQ==
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

2026-09-17T10:29:23.031940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068340
observed c0f528072ecf8a31d039a794585f9c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.012092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068340/manifest.json
observed a813d0fc9a709da0b2f085a97187a9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.992825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068340/publication.md
observed 20454dfed36b4d3fdf68fcd0b8921b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.970306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068340/publication.txt
observed 5f60d3e6fea2b7014f768c69254afbf3...
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.