OpenTechnical

OT-2026-000057893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000057893) never changes.

Identity and time

Publication numberOT-2026-000057893 · never reused
Internal UUID01a0ae88-6ed8-7776-97ea-9514e715b0ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057893
StatusPUBLIC

Content hashes

Canonical textd45705e9e3b160780a43059a81656eeae79e3f4c4087c395e1ce998c8b4f825e
Markdownf5041baeba31362196ba89c693e683b8b1c38c75d13a76295bbfd3b7b91100c4
PDF
Publication page2af75ae9b8747398baa36638795d57f61f9798a27ae24bbca3e5b693d88619ac
Manifestdb81ce976cfb7c012746cb83599d88c8734f0b64fd6542a52656e2c6108fd841

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
SignaturejrsdI1vV8RRA/iW1wUS/M/ngyoujdzbTSGCnrXHolCC3dhWBFVHtR7oT8ogzoOyPo1OhOkyiP6f0bqAJ3mqPDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:29.191980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057893
observed 2af75ae9b8747398baa36638795d57f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.171973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057893/manifest.json
observed db81ce976cfb7c012746cb83599d88c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.152204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057893/publication.md
observed f5041baeba31362196ba89c693e683b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.126821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057893/publication.txt
observed d45705e9e3b160780a43059a81656eea...
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.