OpenTechnical

OT-2026-000091698

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000091698) never changes.

Identity and time

Publication numberOT-2026-000091698 · never reused
Internal UUID01a0ae9d-43b8-761c-b7b3-f70efffc0ef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091698
StatusPUBLIC

Content hashes

Canonical text0b8e5fbafcc5f608b41dab7584ff1e3ac766e70b9428d2a057c442e8896541d1
Markdownf0724d88fe6115a333e032f19085f266541735f0aa729bd2df1b61ec9edbcc85
PDF
Publication pagee1a5e4b417a4220230ea0fe9076a063b3441d83b5b4769cea0f51771eecaa648
Manifest5739c697d626feabde474eed5c903c8445478e476fccf8878f046b6ea27e0c5e

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
Signaturey43bvbY8+HooeHxfFHx21qdTT2/Upbu4Uo8tpRKI3IcHPf2hfJLM26P5zsiSSkcEu23jgCksbaG7VyPs7sp3Ag==
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

2026-09-17T09:42:05.152422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091698
observed e1a5e4b417a4220230ea0fe9076a063b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.134543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091698/manifest.json
observed 5739c697d626feabde474eed5c903c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.117028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091698/publication.md
observed f0724d88fe6115a333e032f19085f266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.099366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091698/publication.txt
observed 0b8e5fbafcc5f608b41dab7584ff1e3a...
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.