OpenTechnical

OT-2026-000020563

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed 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-2026-000020563) never changes.

Identity and time

Publication numberOT-2026-000020563 · never reused
Internal UUID01a0ae6f-437c-77cb-b444-73a194f50ee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020563
StatusPUBLIC

Content hashes

Canonical texte6125ad51420c1cd85e00ed47de78c8173f1a608f60dbeacc127577392410824
Markdown7aca21332e06ec682cacec7f81b7700f4185259cadddce0c268d9e53c571f9c3
PDF
Publication pagedd25e329b492cd51207de781002f91e21e0080fe76f151acba08ce5db2032a38
Manifest73533688534335e5880ba0abfa44f6279363d10b0362936058baa3bfb0b9fff7

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
Signature8C4pOiUl640uoIQRQc2pU9EJxgSTlnMGwLnyuUImDcrACuJTQ7SwrV+JTwWOKd52uT8nV8tTeWmlSnfFRH7dCg==
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

2026-09-17T12:00:40.788892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563
observed dd25e329b492cd51207de781002f91e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.769357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/manifest.json
observed 73533688534335e5880ba0abfa44f627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.751323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/publication.md
observed 7aca21332e06ec682cacec7f81b7700f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.732441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/publication.txt
observed e6125ad51420c1cd85e00ed47de78c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.838814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563
observed dd25e329b492cd51207de781002f91e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.819054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/manifest.json
observed 73533688534335e5880ba0abfa44f627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.800258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/publication.md
observed 7aca21332e06ec682cacec7f81b7700f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.780666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020563/publication.txt
observed e6125ad51420c1cd85e00ed47de78c81...
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.