OpenTechnical

OT-2026-000043553

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000043553) never changes.

Identity and time

Publication numberOT-2026-000043553 · never reused
Internal UUID01a0ae7b-92cf-7900-acdd-54342139ddfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043553
StatusPUBLIC

Content hashes

Canonical text99be7f7d94dfef495ef19d8f82710087dc9cd7cfe15fa551ea306f0e02593f2d
Markdown95d7c1988f75657b4cafba410df2fc26f1e031e6ec3ce658978f64c2ae41bc3d
PDF
Publication pagecac7928b491e55d2e8af341250de6a06b78f4822b2af1db266b0bb66d856473f
Manifestdb4e4c71fa70ce8215f5ffd57fdebeff50eb06b7a155e803f78170ec06be4e83

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
Signaturexk7uQrvkAU7KHXahfhlAS/9QeyDnlqrC494RwkLBF2KxdyfofJwAAbAm88B6AaPlHj18XhaCvUKkkSTecx1wAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:56.553799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043553
observed cac7928b491e55d2e8af341250de6a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.534749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043553/manifest.json
observed db4e4c71fa70ce8215f5ffd57fdebeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.515113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043553/publication.md
observed 95d7c1988f75657b4cafba410df2fc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.492725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043553/publication.txt
observed 99be7f7d94dfef495ef19d8f82710087...
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.