OpenTechnical

OT-2026-000075567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000075567) never changes.

Identity and time

Publication numberOT-2026-000075567 · never reused
Internal UUID01a0ae94-29fc-7518-ae9d-d234a023b337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075567
StatusPUBLIC

Content hashes

Canonical text343be8b38327deac1b68ec55aad85fecaf82c50037e2a6cb705e3890565af782
Markdown05a1f02631278a9b514d731f311cfc9469318ac32165657fdeb3c6f9aef4d44f
PDF
Publication page3fda08bf5eead476fd4609c894de491019f1e4d6f5545a2a660074005ba7c443
Manifestbaf62fde1cf4e8392f6b3b612b1919b665c0a57d3fcf703a04c64e5dbb3d261c

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
SignatureRPHbeVKxxClrT3XsoV5lYGtRsUUPTvCTqa6XaPtvhtAVdQlvWWV7aGUT0jMiPQ4oaV67CpFUTfpbItnxXlnsAw==
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

2026-09-17T10:13:09.499201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075567
observed 3fda08bf5eead476fd4609c894de4910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.477695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075567/manifest.json
observed baf62fde1cf4e8392f6b3b612b1919b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.457275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075567/publication.md
observed 05a1f02631278a9b514d731f311cfc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.310592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075567/publication.txt
observed 343be8b38327deac1b68ec55aad85fec...
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.