OpenTechnical

OT-2026-000090201

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000090201) never changes.

Identity and time

Publication numberOT-2026-000090201 · never reused
Internal UUID01a0ae9c-428f-7398-8e4d-8471034641af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090201
StatusPUBLIC

Content hashes

Canonical textdcc98f28e0f86d59dad6c74e89ad00c3051afcfc1a7ee6a0d5ae2cce7f0093f5
Markdown32b3bb36cd416dfdd6fa24abba0ebb173200e07e4119137f84d911a61ec42195
PDF
Publication pageb973952ffba9f806070862e864794ce23b1f3b5f63c9cfcb1edb8191a98af476
Manifest73415070fd5a52a70b1945cfce5284a0839dbbddb69bdcd3f8dc42baabcde5b1

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
Signature993l5R2gjrEO95QxeysgAfmSdGrfnDqiYEaGKcusMudabcrHUu8Y+4jyO+4D/me9vuVqcw4LmNhgBAKJ09tpCg==
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

2026-09-17T09:46:16.494829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090201
observed b973952ffba9f806070862e864794ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.478524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090201/manifest.json
observed 73415070fd5a52a70b1945cfce5284a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.460172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090201/publication.md
observed 32b3bb36cd416dfdd6fa24abba0ebb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.440414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090201/publication.txt
observed dcc98f28e0f86d59dad6c74e89ad00c3...
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.