OpenTechnical

OT-2026-000055572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055572) never changes.

Identity and time

Publication numberOT-2026-000055572 · never reused
Internal UUID01a0ae86-a102-7f5d-a30e-4e1056ff7b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055572
StatusPUBLIC

Content hashes

Canonical text37a3af3bf876b32af97abb7af8b8c4ac1124d692ed909827162f6b5bd932d1e6
Markdown1b6c2ea25b9be44e3d76f5582dac32172f6b8945eae356c2445601830c6aa50d
PDF
Publication pageb52d4f3645cef42d8a63b0198fa9f8137ec04d502b0b7985029e72bc0135e1bd
Manifest4836ec557287c1721c76b71743d5d488d5cf1799978162c4680f1f5162f698d4

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
Signature9WM0ZCahYsOdLDssPQbfVBw/LbuTNck50QpXa6Bc3zNQ+6zyCYzdyc0kxsY/OqfojpPpksJ4hzDd8nwZ0ncvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:48.510127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055572
observed b52d4f3645cef42d8a63b0198fa9f813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.493436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055572/manifest.json
observed 4836ec557287c1721c76b71743d5d488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.476247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055572/publication.md
observed 1b6c2ea25b9be44e3d76f5582dac3217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.459302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055572/publication.txt
observed 37a3af3bf876b32af97abb7af8b8c4ac...
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.