OpenTechnical

OT-2026-000031005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031005) never changes.

Identity and time

Publication numberOT-2026-000031005 · never reused
Internal UUID01a0ae74-3fb7-7020-8694-5f11f4af9446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031005
StatusPUBLIC

Content hashes

Canonical textf22b287104d37dc6be6346287f33e269abef349a03b8dc792c67bf3cf0a76564
Markdown1d9b817c7b55c776bfcada98e17724348faf7d6951ba5da4d6ed7f8e4510337b
PDF
Publication page0f5b295862bad9a849e31c3a10c90a2ef6d81b3197054867c7f252763c4ae773
Manifest513e918a0418e2c583e1916f691b13f318afa7b8082847e94413c5ebdbe7a6c2

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
Signature7WpPnYCI62ufuyC4Vl+sS2lNiSuhAfwSwnRpc6JxRGtBng3xflY/tPUFOe6+FArt7nKS16ylYFqBfiMRSXYsCg==
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

2026-09-17T11:40:04.752245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005
observed 0f5b295862bad9a849e31c3a10c90a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.732648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/manifest.json
observed 513e918a0418e2c583e1916f691b13f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.715620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/publication.md
observed 1d9b817c7b55c776bfcada98e1772434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.698183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/publication.txt
observed f22b287104d37dc6be6346287f33e269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.950359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005
observed 0f5b295862bad9a849e31c3a10c90a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.931589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/manifest.json
observed 513e918a0418e2c583e1916f691b13f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.913518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/publication.md
observed 1d9b817c7b55c776bfcada98e1772434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.895307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031005/publication.txt
observed f22b287104d37dc6be6346287f33e269...
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.