OpenTechnical

OT-2026-000099381

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000099381) never changes.

Identity and time

Publication numberOT-2026-000099381 · never reused
Internal UUID01a0aea2-c973-78d2-a2bc-d17c11df0723 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099381
StatusPUBLIC

Content hashes

Canonical textbb7606ad617c278ba36d95fe68878d6d1956a188434422af06a081dd5375ee57
Markdownf64a11dc7630a95900fd96b212f2a62c2cc18c26d68d4f4dddc2a0dfb528b196
PDF
Publication page3f428dcbd0ffca99f70dc237da33d6f0422aa292b920cdaf6df392072bb5b12b
Manifest255526a6e2fa360b67e4de93697d47fe374f1ed381a8917de7dcbc7dc049bd53

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
SignaturepN/zcM3XKNTfwgwgG1U8Dtd/UAH86mYQmwLagBZbEOlS88PqWmCbsmfCzKt9T58lQtNQEeb/4AfDket3TmQuBw==
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

2026-09-17T09:29:08.426049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099381
observed 3f428dcbd0ffca99f70dc237da33d6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.407808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099381/manifest.json
observed 255526a6e2fa360b67e4de93697d47fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.388297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099381/publication.md
observed f64a11dc7630a95900fd96b212f2a62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.369771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099381/publication.txt
observed bb7606ad617c278ba36d95fe68878d6d...
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.