OpenTechnical

OT-2026-000023002

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained blow-off 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-2026-000023002) never changes.

Identity and time

Publication numberOT-2026-000023002 · never reused
Internal UUID01a0ae70-46ec-70c3-bc85-bd73d8303a80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023002
StatusPUBLIC

Content hashes

Canonical textf3575a8019dadb00f84ec849834adc5e01b026fe74c89311d3505de846442c31
Markdownbe0715dc630b77713b44f57271babe8060b295b79bde979adc256a0065057230
PDF
Publication page0f1aa1ce7fc5214afcaeb2db6277a5f8639a6220cc3649dd2189bd3a3ca43605
Manifest5ee2cf1f1f315983986a021ab51e7317247fc558b70c309b0466e9acd6e807dd

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
SignaturemRGudtvE3tgtbSR8P3xZuYOeiT2/lqoKbSiAa9IPyriZ/iF9dob+MBdQZZ/nWccwMwPPf2It/64RpkXI5vg0DA==
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

2026-09-17T11:52:35.781934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023002
observed 0f1aa1ce7fc5214afcaeb2db6277a5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.765355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023002/manifest.json
observed 5ee2cf1f1f315983986a021ab51e7317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.748268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023002/publication.md
observed be0715dc630b77713b44f57271babe80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.730302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023002/publication.txt
observed f3575a8019dadb00f84ec849834adc5e...
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.