OpenTechnical

OT-2026-000084728

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000084728) never changes.

Identity and time

Publication numberOT-2026-000084728 · never reused
Internal UUID01a0ae98-e25d-7cf2-9846-95e01f139dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084728
StatusPUBLIC

Content hashes

Canonical text9dd0aa74abb9d934edeb4ca4dbae51d7e3c3b5edffdf7f5a704d643757aaa01a
Markdown924fa72dca0ee725cb25c7c10cd3bf3d1f71a805da0b5fc41f3795e29b43f048
PDF
Publication page446bb49e62e3cf90982edfc4477c125f41ed24cdf846c3a7d5cbff9176c272ca
Manifest6ef3a6c565943063965a6c860010e418369fcc5b8c7ceec1a1c197f378a6fed3

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
SignatureSPw7zfi4qP2HbEdupRwQSnJHkNq+WBZxSCPw2uJBHha7xckYkygltWs4RX4XA2iagpcylmq0tfL9nFNOLfgKBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:40.178910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084728
observed 446bb49e62e3cf90982edfc4477c125f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.160590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084728/manifest.json
observed 6ef3a6c565943063965a6c860010e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.141796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084728/publication.md
observed 924fa72dca0ee725cb25c7c10cd3bf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.124529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084728/publication.txt
observed 9dd0aa74abb9d934edeb4ca4dbae51d7...
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.