OpenTechnical

OT-2026-000056122

Publication integrity record

Foam pad vacuum gripper, 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-2026-000056122) never changes.

Identity and time

Publication numberOT-2026-000056122 · never reused
Internal UUID01a0ae87-0a4b-7152-97db-c28ae857efa2 · 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-2026-000056122
StatusPUBLIC

Content hashes

Canonical text6611069f0ea0fa48f887dafd30e13cccb834191994fe3ed6429ca286d2fed503
Markdown6db897a2aa7a8c0da91b9aed8ba4d4f72fdb93aaaabf5a05a3847f7384de2d7d
PDF
Publication page9e06ac888ea09c70ef470c656d0918f3a9f85dcc10f1ca994c0a6e50762dab7e
Manifest3582710439cb253c407a0d7ed299dd307b544b88289d0b4653ace7a9ce89b759

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
SignatureNeqyyWwHk713hTFnMxfwX5CCvnbywiBoPIIJEzJoeNh2zadt3MgW2meFN/TEwL2Qvd+G0eF712mEqz5M/0c2Cw==
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

2026-09-17T10:51:40.050582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056122
observed 9e06ac888ea09c70ef470c656d0918f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.033898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056122/manifest.json
observed 3582710439cb253c407a0d7ed299dd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.015657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056122/publication.md
observed 6db897a2aa7a8c0da91b9aed8ba4d4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.997265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056122/publication.txt
observed 6611069f0ea0fa48f887dafd30e13ccc...
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.