OpenTechnical

OT-2026-000101029

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101029) never changes.

Identity and time

Publication numberOT-2026-000101029 · never reused
Internal UUID01a0aea3-c377-734f-a79a-304c4856d083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101029
StatusPUBLIC

Content hashes

Canonical text9246a79ea03255c2e3f94f102e8ca159fd33b01d7282eff5ede2b3c506c566dc
Markdown643dd11d96cfc5ad1ddfa014784d77799615fe1da06ec74285d582e88f94e6ed
PDF
Publication page186ae4c56438cb89a346c6eabc9d36ecced29fe5ed2ea627aed7a0a6c2976998
Manifest16a6f398236b6b6315d1f7eaec608f6a0c4aa57e3373925f0a29616846663024

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
SignaturexnNSNmoFl12HlksPVfC903iM2EJ4vuBeLQTXkBxSPZnCVOVkjkEHBxXC+ASG1V6olumQK5Prn7mGgwRJswx0Aw==
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

2026-09-17T09:26:38.179083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101029
observed 186ae4c56438cb89a346c6eabc9d36ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.160122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101029/manifest.json
observed 16a6f398236b6b6315d1f7eaec608f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.143779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101029/publication.md
observed 643dd11d96cfc5ad1ddfa014784d7779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.125710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101029/publication.txt
observed 9246a79ea03255c2e3f94f102e8ca159...
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.