OpenTechnical

OT-2026-000095702

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000095702) never changes.

Identity and time

Publication numberOT-2026-000095702 · never reused
Internal UUID01a0ae9f-fac4-7aff-945d-b7cae31f718e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095702
StatusPUBLIC

Content hashes

Canonical text8435b7366a655d40fb35b3b24a1b8d53a27392112628f2c0be03a1fff4646ad5
Markdownb91a4ec7a644b3a784c77b91c396c57d5653f7bd8c80cc37bd695d1940eae316
PDF
Publication page18c1bbb3ca0f3b66bdbc57a502027c132241ef711de5f05cadb0cd149559109c
Manifest4614a7e7735c4f61bcb732eaa31ac52dbc6e7327776127026d9b2ca2e8564e9f

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
SignatureblMJWvTCsgc9SW1TukYxgaiLUbm94jsoLsniUK+646dFdCb4+ZtD3DOIWBjjf+2LGfMh71IiRU3owqSnjRzwDA==
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

2026-09-17T09:35:15.234796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095702
observed 18c1bbb3ca0f3b66bdbc57a502027c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.217572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095702/manifest.json
observed 4614a7e7735c4f61bcb732eaa31ac52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.199824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095702/publication.md
observed b91a4ec7a644b3a784c77b91c396c57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.180824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095702/publication.txt
observed 8435b7366a655d40fb35b3b24a1b8d53...
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.