OpenTechnical

OT-2026-000032644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000032644) never changes.

Identity and time

Publication numberOT-2026-000032644 · never reused
Internal UUID01a0ae75-1070-74a1-83e0-fa69dc93f839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032644
StatusPUBLIC

Content hashes

Canonical textbcf8c5c249ab55ddcf875c23aea22dc5799145f2b008e1286e5d2883a7188ed5
Markdown610e5ee42473459ffeedf72a189cea80e4475e86a56a812bf1203adaa2e45d90
PDF
Publication page264d44cf79294ceb14f84fe1d6a82b0fb81bd0a6924e9022f7daf55ce7aad770
Manifestfe3267dfa68885b3a0d4f8848a7628ab970c1aaa39cb58c5f1a7612a2d1f242c

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
Signaturep/8nvuCa2Vv6mvRx3FQkVL8vazTYuBjl4C2KoxYZqrrF7ez8erzVMmq/oIE1CFP2BZ6ts6BeFh76u4buF2VCCA==
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

2026-09-17T11:34:14.169984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032644
observed 264d44cf79294ceb14f84fe1d6a82b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.151991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032644/manifest.json
observed fe3267dfa68885b3a0d4f8848a7628ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.133727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032644/publication.md
observed 610e5ee42473459ffeedf72a189cea80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.114044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032644/publication.txt
observed bcf8c5c249ab55ddcf875c23aea22dc5...
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.