OpenTechnical

OT-2026-000089048

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000089048) never changes.

Identity and time

Publication numberOT-2026-000089048 · never reused
Internal UUID01a0ae9b-daff-7c71-9203-adcd2607bfd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089048
StatusPUBLIC

Content hashes

Canonical text88017849331c5af013af1494ce60489cfc99391a2eb45cd87d96810942873938
Markdowncfe1ff75ecf248a64dc82e7d0bb1c76b3d5cda3f0956715a845346879cb3a80b
PDF
Publication paged2c36b93dddbf21af75a9718f204bf4ffab7643a01732d71977ae85f91d3845b
Manifest4ce8751cb0bc4ebe4fa5c6bdf4fac0fcbc51926fd956fd20a598f54be5aa864b

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
Signature1Lh8KGXfEFnry74IdvlWxm9EhQ28IySG1NszYEHl421Q1DKYWDow3l0CVeIelePmWDEeWpQXgWGKtF4N8wWeAQ==
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

2026-09-17T09:46:56.804115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089048
observed d2c36b93dddbf21af75a9718f204bf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.786044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089048/manifest.json
observed 4ce8751cb0bc4ebe4fa5c6bdf4fac0fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.766401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089048/publication.md
observed cfe1ff75ecf248a64dc82e7d0bb1c76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.747498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089048/publication.txt
observed 88017849331c5af013af1494ce60489c...
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.