OpenTechnical

OT-2026-000103052

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000103052) never changes.

Identity and time

Publication numberOT-2026-000103052 · never reused
Internal UUID01a0aea4-be3d-7db6-bd53-a594cc0c9601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103052
StatusPUBLIC

Content hashes

Canonical text931f564662dfb6d72edad82599842062ca730491ebb530982fd137a2534506f5
Markdownfd296373c9c98d27dd7b805e66430be609a8e855401bbdb608eb9709a04dee2b
PDF
Publication page73a3e768785a217b9f1104accfad1f61ef1b1eb40ecda666a75734b164366eaa
Manifest28327b80d0cb680d26f9f0eed0583f375ce437e82214c642ed613d7eedcee241

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
SignaturegYyRy0Qb8C/aoDSs+41hy4MVa6dC8qU1U9vcfQpnemnnVLh6RFeBMLT0S3y64ZACO1MhE3pIBUBjqb4NylZ7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:49.840041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103052
observed 73a3e768785a217b9f1104accfad1f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.823469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103052/manifest.json
observed 28327b80d0cb680d26f9f0eed0583f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.775074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103052/publication.md
observed fd296373c9c98d27dd7b805e66430be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.727152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103052/publication.txt
observed 931f564662dfb6d72edad82599842062...
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.