OpenTechnical

OT-2026-000093156

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093156) never changes.

Identity and time

Publication numberOT-2026-000093156 · never reused
Internal UUID01a0ae9e-0910-715b-8ed0-ecfb5facbc47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093156
StatusPUBLIC

Content hashes

Canonical textcb2e2c7e54af80bba80c43341d21acbd5d956be5c62fc417b7ada24b8e6cf891
Markdown1b788d3ac368f29ecc1e6a9ee97e4cab6878b64668ff7883b6a7cf5da99db100
PDF
Publication page1a3effc72fd6245994c12aa1e0d6d379432a77cbfbda37c44c0f113816340e5b
Manifest8a134c1418ef26c8403a0c444b97e55723bd23aa7e20b727010d9c9488970ee4

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
Signature7fwJiXIs3API/vMz5/DKY5hH3SLzxnozdXWRQ0R7eBIzHocbYdzfc8zGAirI2KcbMcpqFcUpCbLQUGdqPmjCDQ==
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

2026-09-17T09:40:27.198866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093156
observed 1a3effc72fd6245994c12aa1e0d6d379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.181742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093156/manifest.json
observed 8a134c1418ef26c8403a0c444b97e557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.166222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093156/publication.md
observed 1b788d3ac368f29ecc1e6a9ee97e4cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.149165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093156/publication.txt
observed cb2e2c7e54af80bba80c43341d21acbd...
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.