OpenTechnical

OT-2026-000018372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000018372) never changes.

Identity and time

Publication numberOT-2026-000018372 · never reused
Internal UUID01a0ae6e-b489-7665-8908-1fcb19e652c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018372
StatusPUBLIC

Content hashes

Canonical text8a4577891912e171e807a5ee8cba3149a002b482cce56e42babf91d4240a4441
Markdown78b54e198a8c929fdc25e2289b2aeda59240eeaca54c64e478d4c9a1a607c70f
PDF
Publication pagee5df6b6ab59c6092b69858f4454488520644932bf714467b773caabddf763c55
Manifestfcf1d50b1f7b2b6505ef49afcfc34a8f82d7102a02f0a332d09bbdef3160cbac

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
SignatureI6mVjgK3PBt9tIGXiMkywGVC6jCYyjOghXy7cGnyIgt4/emCtsJujpWL1A1/T63nSuJDPV8Hu3H/LfT/PK42AA==
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

2026-09-17T12:01:06.589284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018372
observed e5df6b6ab59c6092b69858f445448852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.571403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018372/manifest.json
observed fcf1d50b1f7b2b6505ef49afcfc34a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.554249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018372/publication.md
observed 78b54e198a8c929fdc25e2289b2aeda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.535069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018372/publication.txt
observed 8a4577891912e171e807a5ee8cba3149...
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.