OpenTechnical

OT-2026-000056530

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000056530) never changes.

Identity and time

Publication numberOT-2026-000056530 · never reused
Internal UUID01a0ae87-7af5-7020-8ac8-ef32b3ca4125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056530
StatusPUBLIC

Content hashes

Canonical text73d3c40909eab1f3de8ca2c28e7e853ffdc24f300e7dc4932e281a76163fe47f
Markdown3d194c0470286a9ef22fc9ea67257c0c0a460ed8e50844dfaa54259b46d33659
PDF
Publication page6f436a9ac766109eb566d289ae50524fd44f1dbcc64fe34477e13632a6301c8a
Manifestb8a08971761d52cb957c7f64749588566f9c08e1a8bb49b09b686f59ce8ec6e0

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
Signature85gsd3Xd8jWcKfWdM7iSlyMvUCWQx3+nRndosHwHFg+rIeDNITARYayxtwGWUIFCUdQOfsN1ZhE39gGXo1MACQ==
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

2026-09-17T10:49:51.504888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056530
observed 6f436a9ac766109eb566d289ae50524f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.485821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056530/manifest.json
observed b8a08971761d52cb957c7f6474958856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.468083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056530/publication.md
observed 3d194c0470286a9ef22fc9ea67257c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.449665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056530/publication.txt
observed 73d3c40909eab1f3de8ca2c28e7e853f...
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.