OpenTechnical

OT-2026-000061710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000061710) never changes.

Identity and time

Publication numberOT-2026-000061710 · never reused
Internal UUID01a0ae8b-b8aa-762d-ac9e-4240551c62f6 · 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-2026-000061710
StatusPUBLIC

Content hashes

Canonical text79f2b988252d0e24364a317a243f4c3d8c8a0df38320b210b4b8f6922781f46c
Markdownf65e035aa1020ebbfb948636f7a605b4dbc34818afa6f06b4e4a7096dd322b32
PDF
Publication page0b3ba79b7f5c9016661c4441bc2fde7a7dbaae13b88c6fd2a6896cf6d8ca9c02
Manifeste648885ff526eab02209b27975068be3d00a3814fcdacf4876e045646cbf169b

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
SignatureYccv2pxRZ7xh0pCS9lXXSlJ1MukZlKmgVUMbYJwTh8g3s2Xc1JT2vrJ0cJ3KguPMXF9vwrakXZUhkCbC7a5fDQ==
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

2026-09-17T10:40:16.864653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061710
observed 0b3ba79b7f5c9016661c4441bc2fde7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.842466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061710/manifest.json
observed e648885ff526eab02209b27975068be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.821135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061710/publication.md
observed f65e035aa1020ebbfb948636f7a605b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.800118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061710/publication.txt
observed 79f2b988252d0e24364a317a243f4c3d...
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.