OpenTechnical

OT-2026-000026912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000026912) never changes.

Identity and time

Publication numberOT-2026-000026912 · never reused
Internal UUID01a0ae72-3452-7b7d-8a4d-14db7c879e98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026912
StatusPUBLIC

Content hashes

Canonical textadbaa78aa2c7ab8261a8bf046fcd152b2918db752f92641d4e2c4e314cd18795
Markdownf4611066b1902e18d72c397eba870a3de220de22ee586c480bb967ad2a18b878
PDF
Publication pagefb2b38555aa1c0e30e6ef9f836b2193ba486d5b5751739b0cf61a3baa28a7c8b
Manifest8ef61ce2de4922c652c1cd50efca79117a0612ca8484f8f5625bc2bcdf942945

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
SignatureQF+VLba87N4FGLNFurypwg5udi/w9hMAVGGNynDwK1W79d4GMGv4uiLPXEd3HYWCxYpqUXAMjxtihOGYQI9lAQ==
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

2026-09-17T11:43:31.506351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026912
observed fb2b38555aa1c0e30e6ef9f836b2193b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.487989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026912/manifest.json
observed 8ef61ce2de4922c652c1cd50efca7911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.470051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026912/publication.md
observed f4611066b1902e18d72c397eba870a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.451778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026912/publication.txt
observed adbaa78aa2c7ab8261a8bf046fcd152b...
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.