OpenTechnical

OT-2026-000061943

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061943) never changes.

Identity and time

Publication numberOT-2026-000061943 · never reused
Internal UUID01a0ae8b-b8ad-769c-aa74-d923fe98749f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061943
StatusPUBLIC

Content hashes

Canonical text41c0268dd7c5e027dbfab1b456ca4aa67fa16c981892d4a8bd1e33201b238769
Markdown1e44fdf2ce6a33ba2c847b07580c2a9166ad49171e8e348985fdc586e56f659a
PDF
Publication pagec63fbc9e3c5e518678098ba24c83062ccbfabfcebf7213f567d98d8702ead768
Manifeste268f554133aa9e245f11a4aba67384bfc265791fd31fbcd13fd4d403194331e

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
SignatureB0HuztaZmZo1Z8gFVU4B5Rn3d9u1iSmXcWetW41JsGRUfaM0nG5YZiwB8V5vyyvbNZ/qWCtvrkY7eIFcawUJAA==
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

2026-09-17T20:43:19.574200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943
observed c63fbc9e3c5e518678098ba24c83062c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:19.266443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/manifest.json
observed e268f554133aa9e245f11a4aba67384b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:19.052845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/publication.md
observed 1e44fdf2ce6a33ba2c847b07580c2a91...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:18.719415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/publication.txt
observed 41c0268dd7c5e027dbfab1b456ca4aa6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.395070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943
observed c63fbc9e3c5e518678098ba24c83062c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.375174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/manifest.json
observed e268f554133aa9e245f11a4aba67384b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.353688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/publication.md
observed 1e44fdf2ce6a33ba2c847b07580c2a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.331410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061943/publication.txt
observed 41c0268dd7c5e027dbfab1b456ca4aa6...
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.