OpenTechnical

OT-2026-000039404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000039404) never changes.

Identity and time

Publication numberOT-2026-000039404 · never reused
Internal UUID01a0ae78-9675-710a-856b-565e283a6196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039404
StatusPUBLIC

Content hashes

Canonical textd59f25167625b910e3a756496376f78cc355c414500d39e818c8da5f56f9f021
Markdownc3594de742bc7c2f26b0e1690f0d93ffb8d0f91232fc1889686f9421dc6abe7e
PDF
Publication pagefe3163d8c3014bcbcf17312f55c925abd498a7cba93cb44145b79762e659c04c
Manifest63e602b2dfb9c69e0f324eb647bd4508e01fbe6a281cf196b390240cde4fe3ad

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
SignatureFT562uZzGDuClepUQCL2/wRfjqRLmdG2SbI/22UiVu1n7kr7C+5DHDhWOuZxF2g8FXUZ7Y9Es0Pes4emgX00BQ==
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

2026-09-17T11:21:00.789673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039404
observed fe3163d8c3014bcbcf17312f55c925ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.771936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039404/manifest.json
observed 63e602b2dfb9c69e0f324eb647bd4508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.753658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039404/publication.md
observed c3594de742bc7c2f26b0e1690f0d93ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.735885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039404/publication.txt
observed d59f25167625b910e3a756496376f78c...
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.