OpenTechnical

OT-2026-000098657

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098657) never changes.

Identity and time

Publication numberOT-2026-000098657 · never reused
Internal UUID01a0aea2-42ad-7151-a22b-9f232fb2d66a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098657
StatusPUBLIC

Content hashes

Canonical textac32d2892a78cfaed4f9e90491d6e490ec784fb47bd2813c593f1b87114197b4
Markdowndb08ab0f3b98a4e1042e67d1e38fa3b34b070bd2bc9c0bfb148e18dc1e2e9b3b
PDF
Publication paged25486a6d138cdaa7b8ccea1ebae7b3dd46306fe2f6424a83c8612d5d706e70d
Manifestde7c56dc1260edbfddef6fe16b0d9321bf3ce741ec3896834ce72e85f25ea3da

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
SignatureLcy5v6W30El/WG5OQomzNJo+ivKu0AyD1qZEmOmChmpYwxGz4eXORbWgjCCMahm9wTecWmlae6NJcfJS8CpNDA==
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

2026-09-17T09:30:57.213046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098657
observed d25486a6d138cdaa7b8ccea1ebae7b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.194115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098657/manifest.json
observed de7c56dc1260edbfddef6fe16b0d9321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.174924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098657/publication.md
observed db08ab0f3b98a4e1042e67d1e38fa3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.155920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098657/publication.txt
observed ac32d2892a78cfaed4f9e90491d6e490...
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.