OpenTechnical

OT-2026-000061987

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000061987) never changes.

Identity and time

Publication numberOT-2026-000061987 · never reused
Internal UUID01a0ae8b-b8ae-7501-b958-96f221cbb9c1 · 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-2026-000061987
StatusPUBLIC

Content hashes

Canonical texta0b6789dd99eaa4ec5f6d916497497881261ce5c683786ab1e892cbe3247a20c
Markdown837313d483b5247ce4c84c88eb4b9ddc20603075494a2f5a35453faa14e2da5f
PDF
Publication page0f0ce0cf7114c25605c8e02385335a0c1144871f6bfe2e9d4ed47ba8e43e2674
Manifestcaad67870f6288be5c931a73054cc35b79fe6b40cdaab9ab4778ab21437bcb58

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
Signature5miG+9veQlqwRj7KfP1xMQghY5rMnPzFZ03DERQFgLHf1HgB49KLwbfnN1f6Gre0S3fImaeUaRyD9aasIeP5Aw==
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

2026-09-17T10:40:54.917194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061987
observed 0f0ce0cf7114c25605c8e02385335a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.899203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061987/manifest.json
observed caad67870f6288be5c931a73054cc35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.879305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061987/publication.md
observed 837313d483b5247ce4c84c88eb4b9ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.859191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061987/publication.txt
observed a0b6789dd99eaa4ec5f6d91649749788...
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.