OpenTechnical

OT-2026-000050115

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000050115) never changes.

Identity and time

Publication numberOT-2026-000050115 · never reused
Internal UUID01a0ae81-fd79-74e1-8bef-aab0fc109feb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050115
StatusPUBLIC

Content hashes

Canonical textdc5542a85103f9c3267bf5160d63942f63511a650f7dad6ef3370c6aea489118
Markdown3a4a66a000994bd4c996e6c141b0cc648651b039ffd700d7f396dc3bcb01ac2d
PDF
Publication page11be3c6957e66efe6a6c896f3e5006960d26ef49125db82dc5ddb9c7eb12f5bc
Manifeste56f1ff8db7b486e68431fce137bc083f8c05a2d27984a54ab662d5a1112fcf5

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
Signaturegkimf6BNen16HoJcpbvj83LOYLDcFJpuQDXCWTHOgAHpxgYRdEtnPhd64jfQldJCafQiVqBvydTPxDIFdykCDw==
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

2026-09-17T11:02:07.138504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050115
observed 11be3c6957e66efe6a6c896f3e500696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.120277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050115/manifest.json
observed e56f1ff8db7b486e68431fce137bc083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.102097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050115/publication.md
observed 3a4a66a000994bd4c996e6c141b0cc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.083336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050115/publication.txt
observed dc5542a85103f9c3267bf5160d63942f...
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.