OpenTechnical

OT-2026-000019369

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000019369) never changes.

Identity and time

Publication numberOT-2026-000019369 · never reused
Internal UUID01a0ae6e-f392-7d6a-bbd7-461ba56b0d02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019369
StatusPUBLIC

Content hashes

Canonical texte58a2897552f98449186bd7677e377bba5ac0a142b99ad7e2f4e0eb334284854
Markdown903184f251d30c2283abc5b84be23bc9a56b5b601ebf747af32f3027e4847900
PDF
Publication pagee9157b689892c11192e01e15a350f22003460fcc27b67db952f3d35002fb4e06
Manifestb1bceafea220c5c51fcacbc83e5796e9808d566f60794a1c5ff6bd8dc64a3fea

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
SignaturegO9Gn85r+IqYaT0qdWTenSybWlwmchA+1CcACO/vRkVAZoe8bzjPgnKHx1PAOk3FkOKxNwipSVW1OqxIT0+FAg==
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

2026-09-17T11:58:45.072784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019369
observed e9157b689892c11192e01e15a350f220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.055350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019369/manifest.json
observed b1bceafea220c5c51fcacbc83e5796e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.006031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019369/publication.md
observed 903184f251d30c2283abc5b84be23bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.985201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019369/publication.txt
observed e58a2897552f98449186bd7677e377bb...
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.