OpenTechnical

OT-2026-000069030

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069030) never changes.

Identity and time

Publication numberOT-2026-000069030 · never reused
Internal UUID01a0ae90-6dcd-7647-a9e1-0c7ee9beed8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069030
StatusPUBLIC

Content hashes

Canonical texte901e2b008f1aec9bab28828cc66b00deb2004c6175547906248d77e37141f6c
Markdownc21b6be6b6d5ae4bf54adda844ef956c704ee14fcd3668cc3c3fbf6c75f18391
PDF
Publication page74c57214d98f75567dc9d01c90cc70c551caae27e9c6a6f3905db4d999258afd
Manifestdc6f623419b067bfe5c318068e7ce9e4ce7670e7c37c55f87420a1c304431388

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
SignatureFfRM0/5SN+Qu8QznNZKphNBc0LGszUEWL15ab4+RbB2L2VB00p03WegEBnjkVOsu+/Jh8v43h6noaXLNazhdDg==
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

2026-09-17T10:28:53.139939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069030
observed 74c57214d98f75567dc9d01c90cc70c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.121010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069030/manifest.json
observed dc6f623419b067bfe5c318068e7ce9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.103480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069030/publication.md
observed c21b6be6b6d5ae4bf54adda844ef956c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.085186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069030/publication.txt
observed e901e2b008f1aec9bab28828cc66b00d...
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.