OpenTechnical

OT-2026-000028386

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000028386) never changes.

Identity and time

Publication numberOT-2026-000028386 · never reused
Internal UUID01a0ae72-e2f5-71ed-9746-4bc7f09f931e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028386
StatusPUBLIC

Content hashes

Canonical text0739dd7521e25b4980e4f9ce1ea781811de080f3beec4b2326b1b22deda616ce
Markdown71f61deb0afe4ae8c0961279d776c2d6a0465deb297d17751842b242662d80d8
PDF
Publication page5372d5311b1f276eb8be6a604f97c7ec368c881e3df7ed42790e2f394812cf74
Manifest6f665a7ffebf245adda7a48624606d0fb965f3f483503bd5cf84836246ce4d2b

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
SignaturepCXALsJaTCKyaJhJNEa+SLrpi0W1tOTRIYfm5eRLgICAt93daAruJlCQhg+84r3QK2YpqkVyLGwQwBRf2CkKDA==
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

2026-09-17T11:40:24.218536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028386
observed 5372d5311b1f276eb8be6a604f97c7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.199016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028386/manifest.json
observed 6f665a7ffebf245adda7a48624606d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.180731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028386/publication.md
observed 71f61deb0afe4ae8c0961279d776c2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.163266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028386/publication.txt
observed 0739dd7521e25b4980e4f9ce1ea78181...
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.