OpenTechnical

OT-2026-000097706

Publication integrity record

Three cup vacuum gripper, three 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-2026-000097706) never changes.

Identity and time

Publication numberOT-2026-000097706 · never reused
Internal UUID01a0aea1-92f5-7a06-885b-0fafb5a07524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097706
StatusPUBLIC

Content hashes

Canonical textd9e15f20bb45f518125ecf63a0ed5a3fb4b8e32ef7e07a747306f8b2576db902
Markdown8ae425ad39cd4bca6c8d1e82ec121994607a645a5d54d4fcea617f213c09b7a5
PDF
Publication pagede01c816bcb9c6e28f7600d9bc95017beeb569607d6178b46737215d635df49b
Manifestbe0740d8a4bc7fed3d6674e74e64fec764aaaca4c46d1a6fe5c0776d9db58e23

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
SignatureBX45d4d0Ivpe/stiBXMiu+QLeS0KtkZFW26DuEdyaP0MGZ0TwWrfH05TLa8EeGjCQba9TaBKZsXCAz5GOZk+BA==
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

2026-09-17T09:32:43.960336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097706
observed de01c816bcb9c6e28f7600d9bc95017b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.941902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097706/manifest.json
observed be0740d8a4bc7fed3d6674e74e64fec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.923614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097706/publication.md
observed 8ae425ad39cd4bca6c8d1e82ec121994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.905240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097706/publication.txt
observed d9e15f20bb45f518125ecf63a0ed5a3f...
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.