OpenTechnical

OT-2026-000004463

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, three stage ejector, pressure verified

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-2026-000004463) never changes.

Identity and time

Publication numberOT-2026-000004463 · never reused
Internal UUID01a0a918-b16a-744e-aac5-a387c4b26f02 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:22:42.926196Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004463
StatusPUBLIC

Content hashes

Canonical text2b020988cac96f726bc2be4f18232a03e8f44815c695c2991e0b728a812f159b
Markdownd6793bbf2485faa8102fdc904805679968bc9e61fe6e3387eeeff1f28196baed
PDF
Publication page8b6468cd98eb5e8ada4783531acde2b2352f86532be778b3e1344e7b07ac09e1
Manifestb89f99ddc00bc49eebf84864935db895135e99348d8c54caa84569fb9825f73f

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
SignaturepYYEic4ToqXLaDfYmX9ANU2aYQhiqgwFyxnN13JM85tsCP1EnCBqD+Sz0vFqBUuKEu/7wo409sL3/ZEbIqGFCw==
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

2026-09-16T07:30:24.747738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004463
observed 8b6468cd98eb5e8ada4783531acde2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.735583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004463/manifest.json
observed b89f99ddc00bc49eebf84864935db895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.722364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004463/publication.md
observed d6793bbf2485faa8102fdc9048056799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.707217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004463/publication.txt
observed 2b020988cac96f726bc2be4f18232a03...
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.