OpenTechnical

OT-2026-000018456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000018456) never changes.

Identity and time

Publication numberOT-2026-000018456 · never reused
Internal UUID01a0ae6e-b48a-7b91-8ced-2807369b947f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018456
StatusPUBLIC

Content hashes

Canonical textddea912b0a8c9208f66fccb8291b58715b3219e88d270e3c9a9fc8b5b32683f1
Markdown56d8c81629b239036778d7601840f0bf9b37bbb50284ab327827cfab611f22ab
PDF
Publication page8756d7953214b324c5acc8b282c77469185b7895065f18187ba54a82b7d321b6
Manifestf055c8004c78dad0ef1aba2d971c0ec0400de4b4a45530aa68cacb7be0ee2132

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
SignaturemX1i9qmN//fx6QDL3ImmzL1tSWpBqkFg+Hbl2z7560Wugbj7YtwIoP1VMt6ajPzhRDcJGoIqs47IaTiWiYQ8BQ==
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

2026-09-17T12:01:12.975172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018456
observed 8756d7953214b324c5acc8b282c77469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.956089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018456/manifest.json
observed f055c8004c78dad0ef1aba2d971c0ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.937940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018456/publication.md
observed 56d8c81629b239036778d7601840f0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.920597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018456/publication.txt
observed ddea912b0a8c9208f66fccb8291b5871...
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.