OpenTechnical

OT-2026-000041187

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000041187) never changes.

Identity and time

Publication numberOT-2026-000041187 · never reused
Internal UUID01a0ae79-b143-781a-8795-5b489d5a4402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041187
StatusPUBLIC

Content hashes

Canonical text7e4a2e8d9a66ad4ef34b2511e0b6394c1f92f9176727130baaa6af9d46caa59b
Markdownbdd2f274133ab40152100b2311f995c44f8f6a3920bcfaf79c06d94c4b47d162
PDF
Publication pagec612ad74e8874a484af6bcb98fc4eb8b136f3f41654200f765cdcb0ae3c95391
Manifest4f13f08f90beeae12c95782605574301325c707755d18040caf1491785d55df9

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
SignatureCLFzkxGqRXV0FDny1ANQgA0Q4va6PnN/DhKE+gRj1odSyXZKcpGSScI2tPOZrDHfveoMRCWC4ZVFysS1yPU5Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:08.298729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041187
observed c612ad74e8874a484af6bcb98fc4eb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.282562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041187/manifest.json
observed 4f13f08f90beeae12c95782605574301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.264533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041187/publication.md
observed bdd2f274133ab40152100b2311f995c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.245040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041187/publication.txt
observed 7e4a2e8d9a66ad4ef34b2511e0b6394c...
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.