OpenTechnical

OT-2026-000015647

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015647) never changes.

Identity and time

Publication numberOT-2026-000015647 · never reused
Internal UUID01a0ae6e-0c4b-741f-95f5-8a2849d8166c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015647
StatusPUBLIC

Content hashes

Canonical textbe30358502ad40ee64204999269305bae7a6f4046194c80d0da01b986e46e3e7
Markdownf82a048ef01de889a1cb35cf11e1bd557b2e75c38e5e00c99c7a8db1ce2a1d0c
PDF
Publication page56384bc116cb7f9c097f353bd7d9b3f2b83680695106511aac7fefc0385b23bc
Manifestad6c94baf1c01214834519826c019896fbc1294ae33f0c5b523c7f51c8840dd6

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
SignatureA/s3k7Lgi1g6KUoxWx4tTGauflRmfeoqNzuWpBk8ZwyT0j+aJADHcir3+93fuBk47JTOdybcIyBT9SbTvCroBw==
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

2026-09-17T12:04:54.356538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015647
observed 56384bc116cb7f9c097f353bd7d9b3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.336514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015647/manifest.json
observed ad6c94baf1c01214834519826c019896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.318786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015647/publication.md
observed f82a048ef01de889a1cb35cf11e1bd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.301253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015647/publication.txt
observed be30358502ad40ee64204999269305ba...
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.