OpenTechnical

OT-2026-000027117

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027117) never changes.

Identity and time

Publication numberOT-2026-000027117 · never reused
Internal UUID01a0ae72-3454-719e-8056-5d567b478555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027117
StatusPUBLIC

Content hashes

Canonical text1f302b832a273be5f73806f4af92ca8d7d64c0535b9b4e609114447386822473
Markdown1d8dc6ca05be95b8a5008335782d29d8a02819d0ff706cd2e98caca04b5cf7e1
PDF
Publication page916638dd6a44f120482782b32b9c299884457140bada3e7d3d5e616809fd75bb
Manifest1a74a66b11c28336057e94a833f08d8144047ec5d243bf3bda43a1058dcf6aca

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
SignatureVcI5T7R4ZztpKrNYS026Nt7Q6aTGHnHqUFRUwQA7yi4+dX5zzU2R/hx9fxy9ledp/qfmBPGDxh70Jp06n5yCCg==
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

2026-09-17T11:43:53.365555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027117
observed 916638dd6a44f120482782b32b9c2998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.348691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027117/manifest.json
observed 1a74a66b11c28336057e94a833f08d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.332748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027117/publication.md
observed 1d8dc6ca05be95b8a5008335782d29d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.315736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027117/publication.txt
observed 1f302b832a273be5f73806f4af92ca8d...
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.