OpenTechnical

OT-2026-000084276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000084276) never changes.

Identity and time

Publication numberOT-2026-000084276 · never reused
Internal UUID01a0ae98-5b60-7c43-893b-900e0f6afdf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084276
StatusPUBLIC

Content hashes

Canonical text3fa355d069f748d3700ca7fa4188fd2eb8ea0c2005cb05121141c697428cb410
Markdowna51cb0300c5364cac9fbf39512508e41ca52948a1d7c4347f5adefe9cfb95072
PDF
Publication pageec7c8e5586d19b8d7cbb96cd835383df710c06deb5ca7288fd700abb5347f199
Manifest313f39df1a604b6c25180c6dc9a9404794e1beaf9da01d46302ce27db3d8bc90

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
SignatureNWlJXne3i0j0vyYoPAPTCoSma1F0dyj+SmVtFM22c1iohF6gnsnUsywIjOEbLmQp4RtWzLLyjvD1Bne+YLTiAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:11.640585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084276
observed ec7c8e5586d19b8d7cbb96cd835383df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.622491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084276/manifest.json
observed 313f39df1a604b6c25180c6dc9a94047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.605044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084276/publication.md
observed a51cb0300c5364cac9fbf39512508e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.587621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084276/publication.txt
observed 3fa355d069f748d3700ca7fa4188fd2e...
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.