OpenTechnical

OT-2026-000031103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000031103) never changes.

Identity and time

Publication numberOT-2026-000031103 · never reused
Internal UUID01a0ae74-87aa-7086-8337-d879c6222037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031103
StatusPUBLIC

Content hashes

Canonical textde5c0b47ea407e8473e3ab4a8d1cf7a4956425f89c14e0748c5370ad0490b7f6
Markdown1d4763eeb2eef75655bc3c6755b45cabaa69d3b095722b4f7181b8857dff5ef8
PDF
Publication page7d8f794a11fbc4639f9353e9875a1cbc12228e8553292e38202e304e89d904b9
Manifestbd11de5e97cb6e2109dacd1c02a65b077070eaa544966b7d49dc793b7035da91

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
Signature/gj/ZtKhBsPYqzmY09r1vZbkPWIZVrhkU9DdCPezl74ER+CiEDaVV3l1SRbgCkG9JjrF2WtVm7Kihi2q06hxAQ==
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

2026-09-17T11:35:31.954190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031103
observed 7d8f794a11fbc4639f9353e9875a1cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.936604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031103/manifest.json
observed bd11de5e97cb6e2109dacd1c02a65b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.918846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031103/publication.md
observed 1d4763eeb2eef75655bc3c6755b45cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.898855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031103/publication.txt
observed de5c0b47ea407e8473e3ab4a8d1cf7a4...
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.