OpenTechnical

OT-2026-000005898

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, contact triggered

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-2026-000005898) never changes.

Identity and time

Publication numberOT-2026-000005898 · never reused
Internal UUID01a0a948-8585-7ce3-af98-eab2ecc5cf56 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:57.416319Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005898
StatusPUBLIC

Content hashes

Canonical textc6d69d31778258d980f08435385788c3224fa6296f76fda6f74e0b76d87b4efd
Markdown3e431c9f7a571ae4a4f7881f97ea0a4d18bab0a54e8e363130523f323aa5c77b
PDF
Publication page3656387702a1dd3b51798489fe8c840c8a4be3f7af4b33c7ef344aba9bb23fde
Manifest56d6485f03f9066ad904e8fa281e7788bff3295c4f3d1adf56a7729ce08bbf5b

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
SignatureY+/eerqbduJnXyBRTCWZ3imS0v+kWfqVXk9TPrsPWILQckfhsITneyY/fYSAYVlntOaUsg8XzrrgfeFKtngyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:19.974225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005898
observed 3656387702a1dd3b51798489fe8c840c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.959333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005898/manifest.json
observed 56d6485f03f9066ad904e8fa281e7788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.944496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005898/publication.md
observed 3e431c9f7a571ae4a4f7881f97ea0a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.928097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005898/publication.txt
observed c6d69d31778258d980f08435385788c3...
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.