OpenTechnical

OT-2026-000087167

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000087167) never changes.

Identity and time

Publication numberOT-2026-000087167 · never reused
Internal UUID01a0ae9a-9f2e-74bb-b8a4-987342313bf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087167
StatusPUBLIC

Content hashes

Canonical text074dd12a3a2448f8c94d4bd8502b41c4339bacdc17ec972a79ec7db9af056966
Markdown000005891aa5566d0f18535d63b78ce4036e361334272b06d22ddd6937d2183a
PDF
Publication page1ae7aea8e7fa7b1bd3d15cd3a144be5813fd8114e7dedf3b02ae8b29284461f5
Manifestd7ca5fda5fe1f81aa2f60d2244eea1095ad2354f107b12dc934107e42eeff790

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
Signature7DlkUjT+yGyD3H4g/MD/kuz93eU5cdYi/P/cWoCK2oG/HqMolZ1QI4PjnVoVf2o9Dt2qGUsR+orlkHUjtiR7Aw==
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

2026-09-17T09:51:26.145664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087167
observed 1ae7aea8e7fa7b1bd3d15cd3a144be58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.126116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087167/manifest.json
observed d7ca5fda5fe1f81aa2f60d2244eea109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.109957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087167/publication.md
observed 000005891aa5566d0f18535d63b78ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.092125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087167/publication.txt
observed 074dd12a3a2448f8c94d4bd8502b41c4...
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.