OpenTechnical

OT-2026-000003673

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, pressure verified at each zone

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-2026-000003673) never changes.

Identity and time

Publication numberOT-2026-000003673 · never reused
Internal UUID01a0a90a-b4d4-7831-bb2f-f7dae02d3338 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:26.295271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003673
StatusPUBLIC

Content hashes

Canonical text1d16c806ba7b4ca66a555fc4defaf0dfeca4fd086df549893e71d95b1066c1b0
Markdown9ded54fe4965c100e068aafe6a2e704b3b293e7f781ae928272c2864e281e1c7
PDF
Publication page2ad666781340a0da69363d082f891a35b1e3a578cd0082a445957693a83e4d6a
Manifestb0b5e0fca7dd2d2800ea3137f3c4d8f5ddcd1f4dcdc70dc6dbb66d275efb7b16

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
SignaturehEpAhoHEz3WdXDd38tWcRFgVjB3DXqiUEbEF0BKBMHAFhNKkVp3KS3Hf1pOn2mzw892TzDOclKSA/hSZBs0QBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:37.156026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003673
observed 2ad666781340a0da69363d082f891a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.141215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003673/manifest.json
observed b0b5e0fca7dd2d2800ea3137f3c4d8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.124497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003673/publication.md
observed 9ded54fe4965c100e068aafe6a2e704b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.986463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003673/publication.txt
observed 1d16c806ba7b4ca66a555fc4defaf0df...
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.