OpenTechnical

OT-2026-000056288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000056288) never changes.

Identity and time

Publication numberOT-2026-000056288 · never reused
Internal UUID01a0ae87-4bd1-701e-a82a-1c531fc68c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056288
StatusPUBLIC

Content hashes

Canonical text9e1c79edec6e77a793a325d622803a09dcb7a83b2c8c911e52617b3fab7f39a3
Markdowna214a66e22869d1ebec240fc3b4dcf95fdcee74749dd56d73a0e8414e66ab536
PDF
Publication paged82d49b9cd5250d6f06e01e554a05102f844d77ee6c7849285ada4de2913bdaa
Manifestdddbb8e1309ac72bd4fae6cb08c75fe14f39bb190be78cc7dd10860f317f9b4e

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
Signaturem66PyvVRGhJEGSSuHjGjOnESOs6iMQ1fHyiqFcA7caX5OPpsjRbljBb+XuZKX3MjH/6AF5vjtqtDxRf2/d6gDQ==
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

2026-09-17T10:50:46.746511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056288
observed d82d49b9cd5250d6f06e01e554a05102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.728405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056288/manifest.json
observed dddbb8e1309ac72bd4fae6cb08c75fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.709520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056288/publication.md
observed a214a66e22869d1ebec240fc3b4dcf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.689648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056288/publication.txt
observed 9e1c79edec6e77a793a325d622803a09...
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.