OpenTechnical

OT-2026-000055793

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000055793) never changes.

Identity and time

Publication numberOT-2026-000055793 · never reused
Internal UUID01a0ae87-0a49-778f-a7c7-99fb54a11a6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055793
StatusPUBLIC

Content hashes

Canonical text31fefe6945e54e843c8aba4b230ab9c9ed8f65cf9a20cff01f69f45727a4a687
Markdown1685124df9a6a28023ed8cb7a988bd591323cd6ee895b6cb152fdaed73796cc5
PDF
Publication page5bba683c5f5b3013fc2b6cdcc71f6f4de4a649dfa7d742d65bf02677972f7253
Manifest71f87f7cfb57e1768a8be5f768f7c0b4392cead0d3aeba22e82b4620033bad7b

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
SignatureSeowvDYuAHCD9q1eK7pxw97u6Z37Eajrfv4oAL0gWDNAdVAlkJC4TjUGbMPICnTUly/47fi1IJ9vIAGsxl0MBg==
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

2026-09-17T10:51:09.946387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055793
observed 5bba683c5f5b3013fc2b6cdcc71f6f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.928227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055793/manifest.json
observed 71f87f7cfb57e1768a8be5f768f7c0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.909130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055793/publication.md
observed 1685124df9a6a28023ed8cb7a988bd59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.891620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055793/publication.txt
observed 31fefe6945e54e843c8aba4b230ab9c9...
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.