OpenTechnical

OT-2026-000043601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000043601) never changes.

Identity and time

Publication numberOT-2026-000043601 · never reused
Internal UUID01a0ae7b-92d0-7bec-8fb5-ca61c9cce04c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043601
StatusPUBLIC

Content hashes

Canonical texteef3678c60e902580c33c92a4c8e9f392b1bfb923e7d0a03ec38185c8434f902
Markdown273995573c23660de5b11523b321716e9ed5d9fa798d1589de1fbccd14388d96
PDF
Publication page96ee76689f93e0f8d794db8a29b9f671bbe3903e5a7b44bae2dac9443e51460d
Manifest9d3ac593bf3f60e6db36d3d249b9bf86b94feec446238b81f0897ed8c6391a33

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
SignatureheXTZZQf+Xi7QR0DlErDvNeQ43CNI0dMR9cdykUjBWzRk/NaGs+IagktIzHkR66jeGQ/z+5UQTVRV+YqfhPaAg==
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

2026-09-17T11:13:00.456119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043601
observed 96ee76689f93e0f8d794db8a29b9f671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.436298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043601/manifest.json
observed 9d3ac593bf3f60e6db36d3d249b9bf86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.417136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043601/publication.md
observed 273995573c23660de5b11523b321716e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.396713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043601/publication.txt
observed eef3678c60e902580c33c92a4c8e9f39...
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.