OpenTechnical

OT-2026-000072525

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000072525) never changes.

Identity and time

Publication numberOT-2026-000072525 · never reused
Internal UUID01a0ae92-89d8-73af-85f1-cafe14b600e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072525
StatusPUBLIC

Content hashes

Canonical text0e842d35d8ee19517057810a9b9257be32397c1021a91456f3898f304536ce54
Markdown5350ba5c6280ae700a70ed7cb82beb0527b72622f1dab74efc8dd05631a7d159
PDF
Publication page59b33a79d0d50ef3ba51989c718112edbffcae9c73f755e92e098c8e5280fca7
Manifest2a6e48c853b7960fdbdbbc7383d98f1f85c00f144b475c9ce3be6ab5c42fa0a3

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
SignaturevNiZqbmVNuHDO6NuFBUDq7BtYZM/8/98NGVp/Z27G3H55enP2A9DBq5iffqfqqYznki+G5HZXuDO4DgfPkIOBQ==
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

2026-09-17T10:22:21.438862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072525
observed 59b33a79d0d50ef3ba51989c718112ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.422476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072525/manifest.json
observed 2a6e48c853b7960fdbdbbc7383d98f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.405207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072525/publication.md
observed 5350ba5c6280ae700a70ed7cb82beb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.388972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072525/publication.txt
observed 0e842d35d8ee19517057810a9b9257be...
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.