OpenTechnical

OT-2026-000101196

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000101196) never changes.

Identity and time

Publication numberOT-2026-000101196 · never reused
Internal UUID01a0aea3-c378-7924-8f4b-4eca3e6d0ba0 · 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-2026-000101196
StatusPUBLIC

Content hashes

Canonical textdc074a602291185d8e17d4d2b837763b5daa4d284bbf6f886944669833d8114b
Markdown489e78ad709c1b4cb7033b19028b3e39d429d6e1e82ad14786fc3af817407943
PDF
Publication page37fb6541fd19ac95f5f39fbcbe0598d322898091745ff14a5119bf06459f1def
Manifest25479d10857810baa831345350882ef8da90713301edcd18cf978e1d492fd576

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
SignatureoRmi6pC0vUjJ8KA98IogpnJLw/9QZODhGMVIZtj4KjXVYI+qrAo6qvTkckRbmb2mar8d1mF3NoLpRZHzQJFqCw==
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

2026-09-17T09:26:50.713195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101196
observed 37fb6541fd19ac95f5f39fbcbe0598d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.695922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101196/manifest.json
observed 25479d10857810baa831345350882ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.678428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101196/publication.md
observed 489e78ad709c1b4cb7033b19028b3e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.658269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101196/publication.txt
observed dc074a602291185d8e17d4d2b837763b...
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.