OpenTechnical

OT-2026-000005463

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, pressure verified, vented after 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-2026-000005463) never changes.

Identity and time

Publication numberOT-2026-000005463 · never reused
Internal UUID01a0a939-cee1-716c-9839-8e71c3a2115c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:53.157010Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005463
StatusPUBLIC

Content hashes

Canonical text14f6f661957e7a045e95db8b8c177ae79b3ca916ac30f640accaec983c5b6f0e
Markdown5245c45a25d4354a2363c1f94f5d0eb3aefe841a95c27338e66ab6ddd11020cc
PDF
Publication page3666738da06b287337a6076accbe9178ee0221042fe126cd0f16e6caa929d494
Manifest4b79edaeb61a702bb00a9ca17eeb580606d23da56ead1daedc1a8d89b68b3d23

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
SignatureVQ9rt+Ke222xCjoELvNZ5u4jb+uZ71461dhawUtn3l8RG/F4Uxwif6z0qKZ5LG5rBuH8+P3ThlXidyq6pwXpBQ==
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

2026-09-16T08:00:06.645602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005463
observed 3666738da06b287337a6076accbe9178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.630619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005463/manifest.json
observed 4b79edaeb61a702bb00a9ca17eeb5806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.490278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005463/publication.md
observed 5245c45a25d4354a2363c1f94f5d0eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.476674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005463/publication.txt
observed 14f6f661957e7a045e95db8b8c177ae7...
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.