OpenTechnical

OT-2026-000067040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000067040) never changes.

Identity and time

Publication numberOT-2026-000067040 · never reused
Internal UUID01a0ae8f-14fe-73af-b763-8e375b22b724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067040
StatusPUBLIC

Content hashes

Canonical textcd9565dc604677e3be87e43ecf4b1adf38e5a5632c697105c22860d18b6b73a0
Markdown77de7be787230be0f2eaecf01a2e3f6765508d1f7e2e4872d692c33be72c6406
PDF
Publication pagef58a5bcd514775c48856d36d0dbc069c122b5ee98eb6cf58b0464248e30373fc
Manifest06c8f7911818de8cf0ae694e16498fec15a76279d5281357062ce4c09b5db429

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
SignatureaSGgCn4LwT6CYxvrQwi3IENhHc6gYeITpXa2uUGuJqX9P8nMSyXP7Tgn1dqhhtQsV0HYmepbuocWa9uF05F+Ag==
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

2026-09-17T10:32:17.435231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067040
observed f58a5bcd514775c48856d36d0dbc069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.415730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067040/manifest.json
observed 06c8f7911818de8cf0ae694e16498fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.397104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067040/publication.md
observed 77de7be787230be0f2eaecf01a2e3f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.379475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067040/publication.txt
observed cd9565dc604677e3be87e43ecf4b1adf...
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.