OpenTechnical

OT-2026-000028565

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000028565) never changes.

Identity and time

Publication numberOT-2026-000028565 · never reused
Internal UUID01a0ae72-e2f8-7fdb-bba9-efe6b2ef26df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028565
StatusPUBLIC

Content hashes

Canonical text5ac5c3a1c20ad1a18973c5f8fee840830f89668ce4eebe34b92aa086f0afdc9d
Markdownf2db4279cad8872f358b58c5bdc097f7a43bbcf7183473e7a71081f1cb17c4b5
PDF
Publication page277cdef5eb176d5c2fc99e021f50d9247ef50d228ae1a34250726d216b57e914
Manifestdb7fa5b2a4fc0052f9518f7c724b2042d6187f48e7d913258ad73e150147b78d

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
Signature1VbLCWfbeNfJPZkUjNv1FUvfM+1fVLRopyRw/HKeZctiw8Mzc1vo0AwLtIhi8n8OvvxiC9tjDvmIxS7sgtJcAA==
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

2026-09-17T11:40:51.102782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028565
observed 277cdef5eb176d5c2fc99e021f50d924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.084988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028565/manifest.json
observed db7fa5b2a4fc0052f9518f7c724b2042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.068187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028565/publication.md
observed f2db4279cad8872f358b58c5bdc097f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.050927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028565/publication.txt
observed 5ac5c3a1c20ad1a18973c5f8fee84083...
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.