OpenTechnical

OT-2026-000041515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000041515) never changes.

Identity and time

Publication numberOT-2026-000041515 · never reused
Internal UUID01a0ae79-e89f-79bf-a843-4c13443f8fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041515
StatusPUBLIC

Content hashes

Canonical text88885ba975e3fdc326c75f0a9184b8626e80f58538805e27449e0e5364b6f0bb
Markdownb84095654a63728b4df14570a3076664819af80cf9842d147ec930c95f852d8f
PDF
Publication page34d3bbd438ff3c578fc7b0f540dde5f6adc20e52e51c1b54bdd286ae46be2bdd
Manifestd9425e1e1f22a68fe18ee69427d95b466ac99de58d33f4ad0b6ea173f462224c

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
Signature5CdpdWD7FrxklBYrc46QfOzllFzkoMeTfJaxQ5w6vqNwr9Gob85mBbSOSSKVG7iakO1C0ecXkpRKyL+LP9bhBQ==
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

2026-09-17T11:16:17.049925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041515
observed 34d3bbd438ff3c578fc7b0f540dde5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.029366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041515/manifest.json
observed d9425e1e1f22a68fe18ee69427d95b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.010493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041515/publication.md
observed b84095654a63728b4df14570a3076664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.990433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041515/publication.txt
observed 88885ba975e3fdc326c75f0a9184b862...
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.