OpenTechnical

OT-2026-000045539

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045539) never changes.

Identity and time

Publication numberOT-2026-000045539 · never reused
Internal UUID01a0ae7d-8f02-7fc4-ad2b-71affbeed532 · 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-2026-000045539
StatusPUBLIC

Content hashes

Canonical text0338c87f048f38f8d1ff257ee7c51d449eccabfe672c14d5ff201d69a54a2ab2
Markdown78b843b4b867d45c125100d37518b757bad88778e7bc3066f26bbddbce5c5a9b
PDF
Publication paged9f9c2cd22a7d944d0d8312d52ee66eb8e0607b0164ad2abd8feb628ebc20a3c
Manifest83510317b23a6f00b9b2db10e86af063476b2e31b99c0c127bb88c305351bc9b

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
SignatureuCqANUye8uZpz3VIuIHSuWWFAylDLbNex6vpS6VerGjenGiD86H13aP9IolxAVrjku+QufnHzd1n2G5unwfNAg==
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

2026-09-17T11:09:17.250527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045539
observed d9f9c2cd22a7d944d0d8312d52ee66eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.231018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045539/manifest.json
observed 83510317b23a6f00b9b2db10e86af063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.211638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045539/publication.md
observed 78b843b4b867d45c125100d37518b757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.189555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045539/publication.txt
observed 0338c87f048f38f8d1ff257ee7c51d44...
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.