OpenTechnical

OT-2026-000022252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000022252) never changes.

Identity and time

Publication numberOT-2026-000022252 · never reused
Internal UUID01a0ae6f-f4fc-79d1-b594-e62ff9e73063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022252
StatusPUBLIC

Content hashes

Canonical texteb2f77428942eba0807b833b5d3b4da6d87ab3295a5d8b70ef58ca6765822e28
Markdownff75650effde7d5014937408c609a1490a2d8fbecd98b4f590fc2a4b5bf121d5
PDF
Publication page4c1956cde4afbad6859412857602feed3588b6b52cbe3d16b91b0dfbc3d304c4
Manifest3ea481d921c0987d3bee547acb06e1f21b769f906451d1e96b29b5d23ccea644

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
SignaturebMhMNgLV+0Qo4+ykJzh5rnYS2tZVV6MDcxPLgTf5QYkiU66iund5lDuM3zn5+WVZ65TzeQx1u4eAJkoQ7d0tCw==
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

2026-09-17T11:53:03.031908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022252
observed 4c1956cde4afbad6859412857602feed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.011906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022252/manifest.json
observed 3ea481d921c0987d3bee547acb06e1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.990832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022252/publication.md
observed ff75650effde7d5014937408c609a149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.968274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022252/publication.txt
observed eb2f77428942eba0807b833b5d3b4da6...
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.