OpenTechnical

OT-2026-000097194

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000097194) never changes.

Identity and time

Publication numberOT-2026-000097194 · never reused
Internal UUID01a0aea1-01ca-723d-8616-cd0b5c66f076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097194
StatusPUBLIC

Content hashes

Canonical text9b1b4b7d014443b4eb11dc71ab86069bbf92355466deae34af4ae7081e32f3e9
Markdown3e378cafe514fbaaaa720a794f68708867a11ca0f63256bc8225fa21b8643b67
PDF
Publication page88771191e81dacf6a22eb7854b5cd6e572843b9bf9f87fd4eba8b97661690775
Manifest865fb9dca9fcd90f5189662875659d7ad9ba2daac529bd68e2ecccdd6c469b8b

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
SignatureiQInHylz2768ikLrptqEP5pOzQQ/iTKd8N7Um8LWmn1kyMDv+d7NR76GifoRkkBc4bQFUwC/nnKjX3tlaRC4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:11:04.922121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097194
observed 88771191e81dacf6a22eb7854b5cd6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.905206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097194/manifest.json
observed 865fb9dca9fcd90f5189662875659d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.888064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097194/publication.md
observed 3e378cafe514fbaaaa720a794f687088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.871534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097194/publication.txt
observed 9b1b4b7d014443b4eb11dc71ab86069b...
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.