OpenTechnical

OT-2026-000072273

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000072273) never changes.

Identity and time

Publication numberOT-2026-000072273 · never reused
Internal UUID01a0ae92-47c3-7bf4-9627-ab8fb15c036d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072273
StatusPUBLIC

Content hashes

Canonical texta9391b0308436a16673b905c21b91064766050db3b9e3aaec6fbe013100d403f
Markdownb8c2b63eec77c431c01b3e46f8e30e94b9792e3e581739579a05f7a5136ab07d
PDF
Publication pagee3eb8d057860d4aecec29887abccca8a1a4ead714964c8822a9680a0b42ab549
Manifestea1d2ed0303e8c051e735f5d83d1aae6bdc80f969cd2ed1a1adbc4ed77078737

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
SignatureyRFFWQp8AqDKTkBXzGx7DF4jw4GWd4LqfMNEQHIgYCkSSfbWXMszxbzyfEeagykk5kdfcC0g2Hw/IhkkIa+cDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:23.173491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072273
observed e3eb8d057860d4aecec29887abccca8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.156117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072273/manifest.json
observed ea1d2ed0303e8c051e735f5d83d1aae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.139643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072273/publication.md
observed b8c2b63eec77c431c01b3e46f8e30e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.122144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072273/publication.txt
observed a9391b0308436a16673b905c21b91064...
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.