OpenTechnical

OT-2026-000047544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000047544) never changes.

Identity and time

Publication numberOT-2026-000047544 · never reused
Internal UUID01a0ae7f-3e59-75d7-9bc8-540d31f07596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047544
StatusPUBLIC

Content hashes

Canonical textde579f3ff8fd0a7d8e228735b617f762774860d5366fef62a4887282ca0e2107
Markdownff0cc28abfab79eda598b6240589cbe4f6c056574a1f0e0f00fcc3f620f538eb
PDF
Publication pageb2b4ad2ffea45a9cdb36e0e2dabc9e3a09bdfb013ed7fcc95ca509319cae429d
Manifest720e3134006a58d062cb274aedaab8a650275bd550f050f0ee4e87e59b522cf7

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
SignatureU55U9Qbwty2u6/U0UjiXErXncmN5HHZGFGHnDQMw5pqI7cMr0PfCrteANFjoNSKif3BOVokaXL9QBPJpyZZsDQ==
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

2026-09-17T11:06:39.720069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047544
observed b2b4ad2ffea45a9cdb36e0e2dabc9e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.703888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047544/manifest.json
observed 720e3134006a58d062cb274aedaab8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.687205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047544/publication.md
observed ff0cc28abfab79eda598b6240589cbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.670560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047544/publication.txt
observed de579f3ff8fd0a7d8e228735b617f762...
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.