OpenTechnical

OT-2026-000069101

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069101) never changes.

Identity and time

Publication numberOT-2026-000069101 · never reused
Internal UUID01a0ae90-6dce-7d1a-81d1-2a2169ceb67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069101
StatusPUBLIC

Content hashes

Canonical textd162b1d431643e4f6ffc81821bb0a3ae1842f8eeebff7da3f9c14987c57c93bd
Markdown15e4bcbe8b8f82f30fa2f4bb539f9dbfe3055530567b30c2909079c95d779b08
PDF
Publication pagefc7d9590ad8d43bde6eb02a66c8745e58347981b0a91944ae8c3669301b030d4
Manifest486ae22f0a75eb3632945af137a0f4bd3d2990236085e10915c959543051f73e

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
SignatureWNOrj0xQq6/9XByfcSBcWEeMz226j4JON57f+AkTeZvTrD/MYp+PgBejAU+tHM0ZEij2a7tdLGZt3zk8IPt6Ag==
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

2026-09-17T10:28:58.574354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069101
observed fc7d9590ad8d43bde6eb02a66c8745e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.557865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069101/manifest.json
observed 486ae22f0a75eb3632945af137a0f4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.540206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069101/publication.md
observed 15e4bcbe8b8f82f30fa2f4bb539f9dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.523042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069101/publication.txt
observed d162b1d431643e4f6ffc81821bb0a3ae...
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.