OpenTechnical

OT-2026-000080701

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000080701) never changes.

Identity and time

Publication numberOT-2026-000080701 · never reused
Internal UUID01a0ae96-b973-766e-ab48-3ac945bd7880 · 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-2026-000080701
StatusPUBLIC

Content hashes

Canonical texted9e9aa08ddc1a42a723b7257cc85ad6142e0855c7d409d0a4dbdec2043eae06
Markdownbf1c4d7ad5f965cd11877f6ee6dfe52526f1f9aefa36cb157b09ab976bc1fd4b
PDF
Publication pageaa5b2897bf7ede1943daa8317916ad1fcdfe3ef0bbd65770d6ded40b7ed690e6
Manifestfaba9f4ea124534b5ffd42f93e19953f08f1e537469f48abfaea3f03980676bf

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
SignaturehsixzcUwHs7TN8DbWt15LyqDAhv6+ES7OFMv+KCmfbfqT1CKVhuGPOjNpqXCX7OszNStf5JIV+Mo9T1gU7bYCQ==
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

2026-09-17T10:01:44.085404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080701
observed aa5b2897bf7ede1943daa8317916ad1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.068318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080701/manifest.json
observed faba9f4ea124534b5ffd42f93e19953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.051319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080701/publication.md
observed bf1c4d7ad5f965cd11877f6ee6dfe525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.034032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080701/publication.txt
observed ed9e9aa08ddc1a42a723b7257cc85ad6...
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.