OpenTechnical

OT-2026-000016559

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000016559) never changes.

Identity and time

Publication numberOT-2026-000016559 · never reused
Internal UUID01a0ae6e-2d14-79b5-a694-6bf5c747c878 · 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-2026-000016559
StatusPUBLIC

Content hashes

Canonical text8b8e63d5acf5e2b107397bb7099534274f9b3ef4fe5f40b3b06c35c770373282
Markdown7fe2116df15e8a1c1cba7e8690416792fc300307df9ee62e00356e5f0345777c
PDF
Publication page886b7f2b636ab6bcb45af3f55618f55b3a5cafe2a6f7ea51b7c3f572b979284c
Manifest3b0cf36b51fbef4d4b6e1bbd603f06136edc82d8c2e4b0a4ed20dcd4fa24f088

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
Signature0FtcpcaNcf3rN/khkOYBiU6QyuPEtmBw03eR1SCBYVrzQBhDyd8ofe1RAYMeFKexka50X9uAHSCeASEoNdX5AQ==
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

2026-09-17T12:04:47.234126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016559
observed 886b7f2b636ab6bcb45af3f55618f55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.215949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016559/manifest.json
observed 3b0cf36b51fbef4d4b6e1bbd603f0613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.199166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016559/publication.md
observed 7fe2116df15e8a1c1cba7e8690416792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.181757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016559/publication.txt
observed 8b8e63d5acf5e2b107397bb709953427...
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.