OpenTechnical

OT-2026-000045916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000045916) never changes.

Identity and time

Publication numberOT-2026-000045916 · never reused
Internal UUID01a0ae7d-8f86-7dcd-b08e-75e2f0079f80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045916
StatusPUBLIC

Content hashes

Canonical text220c17004ab92b447b005e6931c58406eb8e91dcdda1348ca2ff72a7bcef491c
Markdown190cb008ac932a8729a3f352423b03b7df35a8157a939316d76044bed8b0bc04
PDF
Publication page6165714b2ad7395e60520460c602521e3b92387de20134df6336520436bdc538
Manifest5f723abfb2844226a9593db081c6366641e62fb69bc87d9675994a8b2943abd3

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
SignatureJpD19yg3jFb2l1I7nBQQouBV9xcthMbI9q2zHWdcKET+IkqFT3hgAsKpqN3EforDB0kSXC/vwOertC43TZa4CA==
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

2026-09-17T11:09:49.138618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045916
observed 6165714b2ad7395e60520460c602521e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.118868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045916/manifest.json
observed 5f723abfb2844226a9593db081c63666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.098875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045916/publication.md
observed 190cb008ac932a8729a3f352423b03b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.078459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045916/publication.txt
observed 220c17004ab92b447b005e6931c58406...
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.