OpenTechnical

OT-2026-000019753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000019753) never changes.

Identity and time

Publication numberOT-2026-000019753 · never reused
Internal UUID01a0ae6f-1fb4-754f-90a3-c35808adfe0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019753
StatusPUBLIC

Content hashes

Canonical text2c22cc99060a8a774ef67bfe76e7b0f3177e7c90d235285e68b2b8d3daf255e5
Markdownb1d27c2b59b276f3682978d1cbd614b59519e3437066c173f4c599f46f68fda5
PDF
Publication page05a55ae79e64e78594a78d8fb6879b0bf3f098b1b7e6582205e8148c6b46ee52
Manifest994f4c002a1f25c061278d8c45e2731dffedacfcff0e3a9e1306b302663e1e1a

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
Signaturegay/ZmYx62hF+fdoTfshKeM7RQUxbd72tDmjj9ui8yOQVqshltuX0eHPAdNGLZkbgNAvzcPSnguYV5XjrbMnBw==
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

2026-09-17T11:57:51.026502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019753
observed 05a55ae79e64e78594a78d8fb6879b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.007948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019753/manifest.json
observed 994f4c002a1f25c061278d8c45e2731d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.989591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019753/publication.md
observed b1d27c2b59b276f3682978d1cbd614b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.970643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019753/publication.txt
observed 2c22cc99060a8a774ef67bfe76e7b0f3...
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.