OpenTechnical

OT-2026-000026171

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026171) never changes.

Identity and time

Publication numberOT-2026-000026171 · never reused
Internal UUID01a0ae71-a841-756e-b935-e75e06ffd148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026171
StatusPUBLIC

Content hashes

Canonical textd0700cf8e9ada51342e6e7ce73eac53202878a6afa4333ee3ab5f77d1651ad28
Markdown9ac1583f939a810cd58bcc725318e9d976e7622a9fa25d1b571d90697b8a5273
PDF
Publication pagea68c1ab9deb56d238eedede5ebb8e7916cfd9ed0027fa788c18f3f0ea28db460
Manifest4f7134c13d12e64ce60ca69ff67f036a364cc17120020d11c85064d2c83f86ac

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
SignatureI4snFZSUaRIjgCkc9kFIswqJvjIVEsyYv/Cj1SUnE5cMVSLV9StPVT/uxhpPNN2/EGShMLuFqniI/9eFxeNEAw==
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

2026-09-17T11:46:40.987380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026171
observed a68c1ab9deb56d238eedede5ebb8e791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.970050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026171/manifest.json
observed 4f7134c13d12e64ce60ca69ff67f036a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.952881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026171/publication.md
observed 9ac1583f939a810cd58bcc725318e9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.935073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026171/publication.txt
observed d0700cf8e9ada51342e6e7ce73eac532...
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.