OpenTechnical

OT-2026-000029870

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000029870) never changes.

Identity and time

Publication numberOT-2026-000029870 · never reused
Internal UUID01a0ae73-ac47-70f8-8d76-a98d7cff128e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029870
StatusPUBLIC

Content hashes

Canonical textc326d6f481a4439f01c13b094ddbe63430ccf367dd07eab4fa5dd3f8dda9c772
Markdown04955189cffa8df61d9f40def99e77440de73fbd7c2e5721b328d1668eaf2a75
PDF
Publication page5e4d1243d79bf975a2c638df784c4732190f0bf30571ad9ef8945a1c00523539
Manifestddad9a980a0820ae50c5fa427bb658846cf8cd149e0e567f1f7b30a6ab81a107

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
SignatureMGkUfHM20eWap0CmbvSNCVkj58QlI+1kJvIuHhsve9JKaDxpGBIDRdNLr5dRz5Y/HeGpOdAl9HEPpGj/MRLYDA==
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

2026-09-17T11:38:33.955874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029870
observed 5e4d1243d79bf975a2c638df784c4732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.937572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029870/manifest.json
observed ddad9a980a0820ae50c5fa427bb65884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.919462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029870/publication.md
observed 04955189cffa8df61d9f40def99e7744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.900684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029870/publication.txt
observed c326d6f481a4439f01c13b094ddbe634...
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.