OpenTechnical

OT-2026-000018449

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018449) never changes.

Identity and time

Publication numberOT-2026-000018449 · never reused
Internal UUID01a0ae6e-b48a-7476-9411-9b302bb07470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018449
StatusPUBLIC

Content hashes

Canonical textf26b544261e916305d9bc4fd0f93f8309fb1a382c70731881d5b2db60c2d741b
Markdownbcf87210bbd1318a2b435a6aee1fec2f66d15b06a69b67ea7ff3ae3e183951a7
PDF
Publication page0ec9a55ea076de6b7988abaddb1dc60e245c289c9362c768b599625e2dafc730
Manifest495d600eb9b7acd24ebabd2676f2aa4dad96e2b02b16429aa3f711f8e2cd6405

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
SignatureOdvPOKaJrtjCU5MHy5SslA9ZEAlblfFkzx5CAL7RWndXNnfNmp7rz615a6CdfwO+iupHcOHUkvImBXLcb09zAw==
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

2026-09-17T12:01:12.470671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018449
observed 0ec9a55ea076de6b7988abaddb1dc60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.452260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018449/manifest.json
observed 495d600eb9b7acd24ebabd2676f2aa4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.434088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018449/publication.md
observed bcf87210bbd1318a2b435a6aee1fec2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.417637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018449/publication.txt
observed f26b544261e916305d9bc4fd0f93f830...
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.