OpenTechnical

OT-2026-000029100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000029100) never changes.

Identity and time

Publication numberOT-2026-000029100 · never reused
Internal UUID01a0ae73-2a9f-7f63-8ee9-acecdb66288f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029100
StatusPUBLIC

Content hashes

Canonical text76ea439b1006c80f5592660d4ed799aa51a5a28afd6f5e3dae5d38ce278c2caa
Markdown7cfe5759518b967cdd923b5fe012d9c9cf3392a98a2d7490a2ea5a8a5539d956
PDF
Publication page93f974d64bc400b28d86035f59ec3603540c43920c81a22863da5de23ebfd71c
Manifest4a3925df91926a5c601a7a0b42d62d7786cc1ecc0c364c54ca743644b2aaeac0

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
SignaturePtRK8frNK3OYcoYG2u19B3oytTT0h+n2lPNtRFX47IMXkEjQ+MAjAkJ7wZLFZ8wIXKj+GeglZxEeqTI1kbqCBA==
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

2026-09-17T08:20:50.783757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029100
observed 93f974d64bc400b28d86035f59ec3603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.763640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029100/manifest.json
observed 4a3925df91926a5c601a7a0b42d62d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.747221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029100/publication.md
observed 7cfe5759518b967cdd923b5fe012d9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.729121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029100/publication.txt
observed 76ea439b1006c80f5592660d4ed799aa...
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.