OpenTechnical

OT-2026-000026570

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000026570) never changes.

Identity and time

Publication numberOT-2026-000026570 · never reused
Internal UUID01a0ae71-f4a9-750e-a98a-598498caff1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026570
StatusPUBLIC

Content hashes

Canonical text732fc7357d668ea6cec572ec9de3e0b6cb411e35250298a63f0d1d0a9792228a
Markdown25c55210b51a4b658f4b078ccc9614ba8ca088b94403a05287bd814d6e8cc990
PDF
Publication page128bff8df11ffd370655379783f69bbfea12f9ea4349672324a9c2ea1a86f2a8
Manifest09ec175e3594edf0c947ebb5286a8c9a97825a75bf71a09beb4650e2d4ae52ad

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
Signature0TuKabzjxlNm5o9KeeqG0xL9eNywv2pUUkeIlLUaHjLISEscMgrcOK844A83KSm3tDN5SB09EhdVgY2lB+GFAw==
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

2026-09-17T11:44:10.138951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026570
observed 128bff8df11ffd370655379783f69bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.121755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026570/manifest.json
observed 09ec175e3594edf0c947ebb5286a8c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.105519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026570/publication.md
observed 25c55210b51a4b658f4b078ccc9614ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.088043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026570/publication.txt
observed 732fc7357d668ea6cec572ec9de3e0b6...
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.