OpenTechnical

OT-2026-000021753

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off before 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-2026-000021753) never changes.

Identity and time

Publication numberOT-2026-000021753 · never reused
Internal UUID01a0ae6f-bb5a-705f-ac08-254a1f947f6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021753
StatusPUBLIC

Content hashes

Canonical text0999f0750a82776afd0aace1111e861c991c1f9b0b248f122979d3d019499eee
Markdownafaf1888224652cb6495eb2a478caca334d7711474eb58ce91f2d55e42c32061
PDF
Publication page60587d863ff9403a310c87f5019e9ed96b1e98145993b582a4c7c678c041a5f6
Manifest7194b60ca84d788f0779f44ad5a0364d4e449765e1c6d5b194692119b0082cd1

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
SignatureHdmePVbgcaYDT6w19wOy1irt5Fihes02+fiG9T9J9iFVHebLsDHM3EjEu4lWiafn8OZXii8oac1GIMlirD+vDQ==
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

2026-09-17T11:54:17.701762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021753
observed 60587d863ff9403a310c87f5019e9ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.681092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021753/manifest.json
observed 7194b60ca84d788f0779f44ad5a0364d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.661978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021753/publication.md
observed afaf1888224652cb6495eb2a478caca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.643910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021753/publication.txt
observed 0999f0750a82776afd0aace1111e861c...
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.