OpenTechnical

OT-2026-000100987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000100987) never changes.

Identity and time

Publication numberOT-2026-000100987 · never reused
Internal UUID01a0aea3-c377-70fb-8f28-72978a5c80ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100987
StatusPUBLIC

Content hashes

Canonical text024daba39e3ea8626b913ce737b4c28ee134d6098771f06bee0c78951ba1d6cc
Markdown9941581f970e37c2777c880bf29ba1bd5759bd827e90256548f776e5bd9f3b14
PDF
Publication page6fd840c2cfcc4236c904f373d5827db990399d6c8bdea7ecc329c257a61c7d55
Manifest736f3e33838969db9f07bb3a5b01b838239f63c15188aa6420e3f5fac7242f6f

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
SignatureCfzIbkMmoTNS5MYAsK3Vuo4qkuYbeCN/WIRSgIY8BiF713bKZ5J+rkPtenHCDTynyF0/CCp0Fh0QiqyWc6iNCQ==
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

2026-09-17T09:26:35.084052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100987
observed 6fd840c2cfcc4236c904f373d5827db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.067493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100987/manifest.json
observed 736f3e33838969db9f07bb3a5b01b838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.050161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100987/publication.md
observed 9941581f970e37c2777c880bf29ba1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.032671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100987/publication.txt
observed 024daba39e3ea8626b913ce737b4c28e...
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.