OpenTechnical

OT-2026-000050847

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000050847) never changes.

Identity and time

Publication numberOT-2026-000050847 · never reused
Internal UUID01a0ae82-c7b2-709c-99e5-f53dd9f69112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050847
StatusPUBLIC

Content hashes

Canonical text05a4d3f7cb553bae8cc0d4e549afbfa2b2a1bb0b566033d8c2517ef34bbbd02c
Markdown4ac04bc5491b1788bab1a071130ed8fd4ee4c4945d262d31a99ad0eeb383d588
PDF
Publication paged3efd4d3ce781af0e4032e4a55ee456b53df5d69d948a7bd8fc7e01edc2dcaff
Manifest78cf1e34e3fa421d8f1127adc73cbfd5b1e6a0241518fcf2d519ac19d8d91f9e

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
SignaturevTdWuxj6fau2zRjGE8GAwgc8Mhj9K2zt6/qopr0G/4kHPzgaXHr6MEILZ+rAAGSjw8UCoBbNJyp2LlWB41pmBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:24.985349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847
observed d3efd4d3ce781af0e4032e4a55ee456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.977539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847
observed d3efd4d3ce781af0e4032e4a55ee456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.964057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/manifest.json
observed 78cf1e34e3fa421d8f1127adc73cbfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.957694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/manifest.json
observed 78cf1e34e3fa421d8f1127adc73cbfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.944906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/publication.md
observed 4ac04bc5491b1788bab1a071130ed8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.937433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/publication.md
observed 4ac04bc5491b1788bab1a071130ed8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.923857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/publication.txt
observed 05a4d3f7cb553bae8cc0d4e549afbfa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.916051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050847/publication.txt
observed 05a4d3f7cb553bae8cc0d4e549afbfa2...
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.