OpenTechnical

OT-2026-000005492

Publication integrity record

Vacuum cup gripper, three 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-2026-000005492) never changes.

Identity and time

Publication numberOT-2026-000005492 · never reused
Internal UUID01a0a93a-b657-7133-a6af-ca9a99631a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:52.409445Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005492
StatusPUBLIC

Content hashes

Canonical text2250f786d93d6d3c1953601cb2ab13a0173e4fcd3c749d92aee2c8479aa7b3f4
Markdownd8b396158eda5a2817f01afd956c7628d8debacd7654b9c5cc8149583cf8bdfe
PDF
Publication page2af12ed9d546844efa0e89bf34e49e89b3457a68634df37c9f1862edc1563c2e
Manifest861f15f0ffefeeefbfe2bd6dabf475d643c088d6f1a9a37184303f639c549815

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
Signaturezr7DKXcuqUHL7+VAAyBXXxzAia38vFI0wXp6bk4al+g6Ce85lDBwhyeh32ZC3TudqoOFkCYPRFb/f4c8w2E/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:02.913704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005492
observed 2af12ed9d546844efa0e89bf34e49e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.900599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005492/manifest.json
observed 861f15f0ffefeeefbfe2bd6dabf475d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.888165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005492/publication.md
observed d8b396158eda5a2817f01afd956c7628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.874537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005492/publication.txt
observed 2250f786d93d6d3c1953601cb2ab13a0...
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.