OpenTechnical

OT-2026-000043369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000043369) never changes.

Identity and time

Publication numberOT-2026-000043369 · never reused
Internal UUID01a0ae7b-327e-7925-932f-3387c351fecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043369
StatusPUBLIC

Content hashes

Canonical text77b5116c8a3ae5dd5ed55e06a05a68d71f85f09d2b3105e4d1b39930a5828d98
Markdown17a5cf8268f9b990d36e899c5d605690194a1738c04ca394bd81fdf40ed2968a
PDF
Publication pageae989f6070a6323ff13b937bf91b5b7ef2059e377a8ac220f36587acce1bf3d4
Manifest9f212c0ce6ddf640bb322a97a6ee3fb7735ed5edba26a32a0bc95d4a700946c0

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
SignatureTbo75itpeXMqj7vELcM/czfshdSkaAbT31H1rmoMKMr0/leVRtm6R5chXIIwy/flW0FHRw4LVqsfJcnDBEoiAA==
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

2026-09-17T11:13:53.648965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043369
observed ae989f6070a6323ff13b937bf91b5b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.624917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043369/manifest.json
observed 9f212c0ce6ddf640bb322a97a6ee3fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.603819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043369/publication.md
observed 17a5cf8268f9b990d36e899c5d605690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.583952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043369/publication.txt
observed 77b5116c8a3ae5dd5ed55e06a05a68d7...
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.