OpenTechnical

OT-2026-000078025

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078025) never changes.

Identity and time

Publication numberOT-2026-000078025 · never reused
Internal UUID01a0ae95-2f44-74e5-9791-34b0c0be84ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078025
StatusPUBLIC

Content hashes

Canonical textcd07acb1a4479db09915edae5fbc121aea89ad265c09603a58c843c85619696b
Markdownec8cc7888a01790cbb56947a77027bf9bcf92a5750a4a5c67a3c682c570ea658
PDF
Publication pagef2dfb4f8f3e12605efd9a03364c8203634ee4df1ee05ffdb66420585315f885c
Manifestab541bcecabb015e03bcb0d7b72ddbb61fbdaed4b764209fbf8da771319180ec

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
SignaturemKD8Iqsy4cHr3MV0wOE7H7Xy73JFdCpuSc5ZTMT/yfCm+sVu5C2jojUncpCwp2kg0aBIG3ibZHbQJ8b1Cq7lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:43.271583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025
observed f2dfb4f8f3e12605efd9a03364c82036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.250580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/manifest.json
observed ab541bcecabb015e03bcb0d7b72ddbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.231420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/publication.md
observed ec8cc7888a01790cbb56947a77027bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.210163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/publication.txt
observed cd07acb1a4479db09915edae5fbc121a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.981674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025
observed f2dfb4f8f3e12605efd9a03364c82036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.962346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/manifest.json
observed ab541bcecabb015e03bcb0d7b72ddbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.945300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/publication.md
observed ec8cc7888a01790cbb56947a77027bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.925668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078025/publication.txt
observed cd07acb1a4479db09915edae5fbc121a...
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.