OpenTechnical

OT-2026-000072652

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072652) never changes.

Identity and time

Publication numberOT-2026-000072652 · never reused
Internal UUID01a0ae92-89d9-7680-8e9e-882cfae03abe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072652
StatusPUBLIC

Content hashes

Canonical text27853871ce77fed749c4ea707fd551675e632d43f6672cfa9ed5681ab3c4badf
Markdownddf504c5ccf8680fcef0af5ef0b66e01763b2e51f8f2cace6c9f2848651a830f
PDF
Publication page953db0ca924037cbc02ab74bd5706759e2c14198bd02fb8da7ac35cdc7b16792
Manifestcbe4ce7fcb5e2001a51f3c25d26c014d6543cdcd8fc70962948fdf3f639982c2

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
SignatureyVVB8I2m9zWLzVJ2MqIZ7hkz7wpDMgO+mYoJHrXuuTmLGHzjJm+oSUNfZ3Ty2pdn1OLtx/pxJ5l/Wv5ib8onBw==
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

2026-09-17T10:22:31.083520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072652
observed 953db0ca924037cbc02ab74bd5706759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.067355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072652/manifest.json
observed cbe4ce7fcb5e2001a51f3c25d26c014d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.051159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072652/publication.md
observed ddf504c5ccf8680fcef0af5ef0b66e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.033846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072652/publication.txt
observed 27853871ce77fed749c4ea707fd55167...
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.