OpenTechnical

OT-2026-000055235

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000055235) never changes.

Identity and time

Publication numberOT-2026-000055235 · never reused
Internal UUID01a0ae86-a0ff-787e-9c40-bc5f1525b8d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055235
StatusPUBLIC

Content hashes

Canonical text11fea4a8365c7c27cbf0fb99ffbe39387681d748994a813fed0900f9edcdd081
Markdowna160320e78083dcdce1cdfd2bc3058fa282c52a14c4d0fb86ebe540145978ac4
PDF
Publication page01b868595f3b24b39fe32b3efba3cc97f66d69ab40aab9a790b033e23e74ed0c
Manifest0c406a4919aa47e5fd4e42a535f32a06a31934fd021ec2d18ca10216949712cf

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
SignatureSSAL1pS6gNMMqW+WuTVuVNcsARm+2HsZTFQsMbx5IygIbbq2G8X4m0i9qCGa03nm8Xj3pmKDLLHBorgkZdE6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:49.070583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055235
observed 01b868595f3b24b39fe32b3efba3cc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.053615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055235/manifest.json
observed 0c406a4919aa47e5fd4e42a535f32a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.036690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055235/publication.md
observed a160320e78083dcdce1cdfd2bc3058fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.020098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055235/publication.txt
observed 11fea4a8365c7c27cbf0fb99ffbe3938...
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.