OpenTechnical

OT-2026-000050244

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000050244) never changes.

Identity and time

Publication numberOT-2026-000050244 · never reused
Internal UUID01a0ae82-5c46-72d9-a967-ebabd815d292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050244
StatusPUBLIC

Content hashes

Canonical text0fef4ac4d3eaf806ffe137d9c4d52807549c136122d111ba214e96a2b3153dd4
Markdown89c48d516adba3d5df4a10f4ab592b8700991d372dbb628b44101e1511062eb3
PDF
Publication page80107b0299df7e8d41ec651d175d271f6aa638a001cb6db010513dbce6a56324
Manifest02ad0ba2134d4e83bf49d51bd1e09c5cc4f0ae04039299d889ef090a924c7df9

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
Signature+iujdjKEq04ydxH9ypH40LvyzwdLgdtO3JXmWt63qqmTY3qBUDN26jMn7nKfgXz+tFYBbqmWdy/goVEvw9P/Aw==
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

2026-09-17T11:01:14.465506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050244
observed 80107b0299df7e8d41ec651d175d271f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.448991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050244/manifest.json
observed 02ad0ba2134d4e83bf49d51bd1e09c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.431188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050244/publication.md
observed 89c48d516adba3d5df4a10f4ab592b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.412698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050244/publication.txt
observed 0fef4ac4d3eaf806ffe137d9c4d52807...
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.