OpenTechnical

OT-2026-000088654

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088654) never changes.

Identity and time

Publication numberOT-2026-000088654 · never reused
Internal UUID01a0ae9b-8f0f-759e-bd43-11d20c938dac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088654
StatusPUBLIC

Content hashes

Canonical text9591b0f5984ccaad722483f574d1390b7a5c6e257402fb76bee8c471296312e8
Markdownb1b77f56c8fc35b8ac9c3bcbe7597045a8a415f03c5b6216d9a1b20407aa7ea8
PDF
Publication pageb558cdae900f7c509206d3bdbd0a0288e1a296e461b3ed497af3be13e16ab6b2
Manifest08a772fb0c3619d78dc04a868a439c2274d3077adcf1f96e203db800bcaf157e

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
SignatureHbxuQ7wEJoSuWly+TzMv8/yyelcDe83dL9SINNvFHPwwzoa9bGd4qF7+3yMbL/eRJ+s3t8B+7Qa4LPL9ZY0ADQ==
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

2026-09-17T09:47:52.672847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088654
observed b558cdae900f7c509206d3bdbd0a0288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.655512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088654/manifest.json
observed 08a772fb0c3619d78dc04a868a439c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.638100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088654/publication.md
observed b1b77f56c8fc35b8ac9c3bcbe7597045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.620936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088654/publication.txt
observed 9591b0f5984ccaad722483f574d1390b...
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.