OpenTechnical

OT-2026-000025357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000025357) never changes.

Identity and time

Publication numberOT-2026-000025357 · never reused
Internal UUID01a0ae71-5fa7-7d17-ad2a-1a5ec87ffb21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025357
StatusPUBLIC

Content hashes

Canonical textda03ed0a0ccfa379ab2d97aea3f4da7acdb99a5f5193e51473e9ec33d8390e1d
Markdown773b7c77593c1be071f99e436dc584762f96c104fa0932c9e3bb62e9d1e27813
PDF
Publication pagea90829b3912ad294f16745a7e52c2f72125174732e040f40d28902e140580280
Manifest5dd365167b2bb2fa7cde636cea8536f068573851bad085c2efe0d14c64f6e5fe

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
SignatureEQEFW6/1OTlL6YMdlrYEZ4PYAWE8qZLkpuGjhDrM8zwNJIvcu8s4CPivOg34RdDduxkf4M2ibu/ukSn+01m3DA==
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

2026-09-17T11:47:24.807277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025357
observed a90829b3912ad294f16745a7e52c2f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.787973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025357/manifest.json
observed 5dd365167b2bb2fa7cde636cea8536f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.770678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025357/publication.md
observed 773b7c77593c1be071f99e436dc58476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.750315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025357/publication.txt
observed da03ed0a0ccfa379ab2d97aea3f4da7a...
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.