OpenTechnical

OT-2026-000091374

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091374) never changes.

Identity and time

Publication numberOT-2026-000091374 · never reused
Internal UUID01a0ae9c-f16d-75e1-8bbb-a3359b2f8976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091374
StatusPUBLIC

Content hashes

Canonical text1e785e523f4707247b4383d1ebc3f53fbaf6c01f7b43f42a35f180c24874115d
Markdownbd4b251c6ab19ad8d41aa0ab6f9bafb102608f23b0dfdd4d1c0f653b8cd65f6d
PDF
Publication paged2bc8d6a1eef8a3dee9874b85bb9662a9f6ff995064eca9efac4cc2b8fb47d64
Manifest3fcde09651a56bd69162373cd7ebadb696358565e1a41d7fa9ee217573f8bc45

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
Signature195CFi6cF+i3mXeJPYQ2DmlH6qASJuhXCQRpOttL0q5ajd2ifGq6jbja6yycvT0ToUJo/RDQeBYLU+jmxE0tDA==
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

2026-09-17T09:43:35.635817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091374
observed d2bc8d6a1eef8a3dee9874b85bb9662a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.610910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091374/manifest.json
observed 3fcde09651a56bd69162373cd7ebadb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.592390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091374/publication.md
observed bd4b251c6ab19ad8d41aa0ab6f9bafb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.576006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091374/publication.txt
observed 1e785e523f4707247b4383d1ebc3f53f...
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.