OpenTechnical

OT-2026-000038428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000038428) never changes.

Identity and time

Publication numberOT-2026-000038428 · never reused
Internal UUID01a0ae78-2d53-7249-a08e-dc8d8d46972e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038428
StatusPUBLIC

Content hashes

Canonical text618110a3e19a99edfd50e9ab827a402be20d54535bb7022b5bf6ec55b54aed7c
Markdown877cf4c2a9166bfd41d429dd692671713dcbda9def30873cbee0a520a29cdbdb
PDF
Publication pagef9fb6e6d0e7125ae581d1e3da6129d59e86086284937fb9d3ae23b78d8273b7a
Manifest1d5f3e044504a999a800866e7e3dd048a0f108bec2ebce1457f29614fbd0f50b

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
SignaturehBx2i/Ck+mEe39CZr+WI7o8MGRFX6zQJKPG5iiKCW7bNXOFDvU/fYep2DBISfT3mTGhJKibpYYbPVmsALb1ADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:39.231087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038428
observed f9fb6e6d0e7125ae581d1e3da6129d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.212993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038428/manifest.json
observed 1d5f3e044504a999a800866e7e3dd048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.192235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038428/publication.md
observed 877cf4c2a9166bfd41d429dd69267171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.173880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038428/publication.txt
observed 618110a3e19a99edfd50e9ab827a402b...
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.