OpenTechnical

OT-2026-000055906

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000055906) never changes.

Identity and time

Publication numberOT-2026-000055906 · never reused
Internal UUID01a0ae87-0a4a-7e9f-86b3-6d560eb526c9 · 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-2026-000055906
StatusPUBLIC

Content hashes

Canonical text9961a2a2c8326d63fe8ae8e4ec3e4d01228d6795600d968c24d1cd7eb071821c
Markdown1711f44e687d3f7cc12b054144377cc85f960f1c58e63c638d0e7433909e6e8d
PDF
Publication page5f5f080e3fe75778e91d8b02675f8669af8cadacb6e33b851ef53ec2715739cf
Manifestc9432e6db091b11054ed1600ad954b70b02011f6d7f80f504fe8b43f2fc360df

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
SignaturebqJfe86OqJHN0/PLQufVyf14oBn0RzJv8BAVU98LUb/wLdmeA7Fp7Oxuten44Kysl5I+hLYLOg5d5GWYaqGhCQ==
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

2026-09-17T10:51:24.564438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055906
observed 5f5f080e3fe75778e91d8b02675f8669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.547982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055906/manifest.json
observed c9432e6db091b11054ed1600ad954b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.530884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055906/publication.md
observed 1711f44e687d3f7cc12b054144377cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.515165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055906/publication.txt
observed 9961a2a2c8326d63fe8ae8e4ec3e4d01...
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.