OpenTechnical

OT-2026-000088754

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000088754) never changes.

Identity and time

Publication numberOT-2026-000088754 · never reused
Internal UUID01a0ae9b-8f10-7aad-8571-3566e6d9e97e · 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-2026-000088754
StatusPUBLIC

Content hashes

Canonical text671a0541cbbdc2ca1c701295e565fefbf5f4829b6cbc9d92f465ef7a8a942fa2
Markdown7470d791306ad0acd25f3016a56aaec6d60a64e54fd8471240e9b469815e1a6a
PDF
Publication page4c9e5a4dd1bd76e535a37d1eabbdf648ccd05f15168ec2da0261c4bfe2dab33f
Manifest4d54c470721a88386256773dc4341e87f32f779d1bd829f20b045b5e64b49d3a

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
SignaturenthXdru5c30FRiSToCqwZutnX3h+UQHnyqwveOGRxkbTVQrDMhPbrdDmkmPmTIffscZ2GbDeZnbZPvdiha9ZDg==
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

2026-09-17T09:48:00.251292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088754
observed 4c9e5a4dd1bd76e535a37d1eabbdf648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.233608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088754/manifest.json
observed 4d54c470721a88386256773dc4341e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.215127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088754/publication.md
observed 7470d791306ad0acd25f3016a56aaec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.197907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088754/publication.txt
observed 671a0541cbbdc2ca1c701295e565fefb...
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.