OpenTechnical

OT-2026-000067605

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067605) never changes.

Identity and time

Publication numberOT-2026-000067605 · never reused
Internal UUID01a0ae8f-6bda-77ba-bc12-bf749fdcb71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067605
StatusPUBLIC

Content hashes

Canonical textd089017a45eefe7b7ae6c1214fa19bef940e2a03abd7d8007ec51f8605ce404b
Markdown9a7839261482f56566b88b4506da41b9ca06bff68f0330d7d823497b56087896
PDF
Publication pagedb6568e594ed3a955f9f019cb0935fb00d945b0e9fe7ec06f678478e73ea2094
Manifest91ee569c00cd85bc3198134441e32dfcfa87c8ecd83cef5e6dbff2c4999a54f4

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
SignaturetM/MLq3y4pMjcipH2oh2j04rhqtHwQYeecifEtR/GXybLvqys1oTnbOu3PADb4CeIrTlPa4kftPmeOUFGw3sAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:55.418768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067605
observed db6568e594ed3a955f9f019cb0935fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.401494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067605/manifest.json
observed 91ee569c00cd85bc3198134441e32dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.384237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067605/publication.md
observed 9a7839261482f56566b88b4506da41b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.366784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067605/publication.txt
observed d089017a45eefe7b7ae6c1214fa19bef...
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.