OpenTechnical

OT-2026-000094921

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000094921) never changes.

Identity and time

Publication numberOT-2026-000094921 · never reused
Internal UUID01a0ae9f-2dee-758e-be69-f074c64786be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094921
StatusPUBLIC

Content hashes

Canonical text5a6cc5c730ebf4d67b9598e9cf000da7010cf4e2cd771780530c88a661af1a1b
Markdowndd37dd970437aa2f5effec7fc8c8453aa4225520f6263c13fc590a9dec69df85
PDF
Publication page2b4fe5770aab3f30db283d5ec10cb8cdc8ba3eba173e6d18884354bd36c85a98
Manifestb8f3b4da65bef32b980359cd9047a16cc1af87b763300cf364917de19c9dee02

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
SignatureIJff9eVjtonL1+GZXamgfyWlSWZICWhmca2kheGtWL/uk7yi7as1CYZRrZvFPq6yf8e68RhWopn/C0bTd12aDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:26.986435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094921
observed 2b4fe5770aab3f30db283d5ec10cb8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.966733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094921/manifest.json
observed b8f3b4da65bef32b980359cd9047a16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.949998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094921/publication.md
observed dd37dd970437aa2f5effec7fc8c8453a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.932166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094921/publication.txt
observed 5a6cc5c730ebf4d67b9598e9cf000da7...
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.