OpenTechnical

OT-2026-000037888

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000037888) never changes.

Identity and time

Publication numberOT-2026-000037888 · never reused
Internal UUID01a0ae77-f88a-7352-9a9e-9ee5819423dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037888
StatusPUBLIC

Content hashes

Canonical textf1830006523dc8a53dc8240f8eab8912e1b5b7764d21b145acb0f3553467ffae
Markdown527d1248f21554a5f5c32946b42e14f0e07cbdcd16e4ecc4358318381a986d0a
PDF
Publication page0eb17d711d8296e6660f81946ff16517ae421350041890ea6b7bdd7b18653554
Manifest2801f3165d1107f812a73e5c74a895230e4af60210dfa292c3a2d89defbdf192

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
Signatureta7zA9VGWjoZhITGzQfbPXBeFfk5izsq4zEbJFxFLhgZteVNEXiMK2ucRV/6M9l3ZQRpKWbpbWWHw2k4cej6Ag==
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

2026-09-17T11:23:09.154612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037888
observed 0eb17d711d8296e6660f81946ff16517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.134978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037888/manifest.json
observed 2801f3165d1107f812a73e5c74a89523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.117999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037888/publication.md
observed 527d1248f21554a5f5c32946b42e14f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.101465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037888/publication.txt
observed f1830006523dc8a53dc8240f8eab8912...
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.