OpenTechnical

OT-2026-000080751

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000080751) never changes.

Identity and time

Publication numberOT-2026-000080751 · never reused
Internal UUID01a0ae96-b973-7106-b7ae-27d7afc6f8e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080751
StatusPUBLIC

Content hashes

Canonical text5c4dd241edf99155dc8729eb81dd864bc93691c66f971176fc6c98fbb0d14135
Markdown55470bb6df073f1f8785d8852701014886832a147d65f4bb6d1b61f05371cbab
PDF
Publication pagec9d5788967fa323307ecb3bb7a3eecd61915a9d8fd05f0fe64f96b4da5759542
Manifest2067fea90723d94a5adbdb7301121fd669d0476c13c5d439e7a853a4a7990bd4

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
SignatureXgK3+/QLeT67butkO7bUGZSJiq0cNrrum186p5xi3mdYxIl3K7MSQqIkgMbXqpFhuVocl9XfEJTeujbbDTrIAg==
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

2026-09-17T10:01:54.715604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080751
observed c9d5788967fa323307ecb3bb7a3eecd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.697967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080751/manifest.json
observed 2067fea90723d94a5adbdb7301121fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.680311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080751/publication.md
observed 55470bb6df073f1f8785d88527010148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.663639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080751/publication.txt
observed 5c4dd241edf99155dc8729eb81dd864b...
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.