OpenTechnical

OT-2026-000031055

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000031055) never changes.

Identity and time

Publication numberOT-2026-000031055 · never reused
Internal UUID01a0ae74-3fb7-7a30-8006-42b7b4633743 · 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-2026-000031055
StatusPUBLIC

Content hashes

Canonical textbaa5f8f0590c0d4df9c7b404c492146f0d99b897f1128517e14e9a99a424f9f9
Markdown2bab08f150f3b118389e6ff33f6516f1331bbb258bd408b9542378fb40f982cd
PDF
Publication page7ca697fa334ce061ca700b3f7106f90837965619b4dcb3fb244d78dfb9afe361
Manifest13f089e3062ef5ef6454ff9018a0cbbc0f6c3380b73dd8787e33920f87691bed

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
SignatureE5BpjNTQsi0gZgTaRjo17UpYqntRGxgV/CF+0sJH2w46PewyJOL7+sVDBgkqHaYGIgcYOCV8jRjP7u+STZmOBg==
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

2026-09-17T11:40:09.552717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055
observed 7ca697fa334ce061ca700b3f7106f908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.534347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/manifest.json
observed 13f089e3062ef5ef6454ff9018a0cbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.518274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/publication.md
observed 2bab08f150f3b118389e6ff33f6516f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.500357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/publication.txt
observed baa5f8f0590c0d4df9c7b404c492146f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.367967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055
observed 7ca697fa334ce061ca700b3f7106f908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.352505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/manifest.json
observed 13f089e3062ef5ef6454ff9018a0cbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.336630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/publication.md
observed 2bab08f150f3b118389e6ff33f6516f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.319301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031055/publication.txt
observed baa5f8f0590c0d4df9c7b404c492146f...
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.