OpenTechnical

OT-2026-000016455

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000016455) never changes.

Identity and time

Publication numberOT-2026-000016455 · never reused
Internal UUID01a0ae6e-2d13-772f-964b-2c3027a68fde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016455
StatusPUBLIC

Content hashes

Canonical text58907820198e46eec59f55a17404cc6b140dfa9f44da84743176190a1217cf42
Markdown1b74d0eac02f1cdc9a85bb656a2d9893ab35a4191b23376aef8f6e90044d48cd
PDF
Publication page8ab777672593981e2b7b12d8954e84ccab91b1fd8fdbf8a17b5b352704cf7788
Manifest44c033a52ed08b062564ca49ad43f8ab43a316dd2db58b56462454151fdf4aa9

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
Signature/P9Veh5VXDsXPWfWrxo2CPOnTF1MWYTr9WQtlmdIZMyBnB/G1dua9U9+0e9WFQJOk6RVqHgQ3VLg237mwgCQBw==
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

2026-09-17T12:04:38.934354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016455
observed 8ab777672593981e2b7b12d8954e84cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.916956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016455/manifest.json
observed 44c033a52ed08b062564ca49ad43f8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.896374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016455/publication.md
observed 1b74d0eac02f1cdc9a85bb656a2d9893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.876891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016455/publication.txt
observed 58907820198e46eec59f55a17404cc6b...
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.