OpenTechnical

OT-2026-000074583

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074583) never changes.

Identity and time

Publication numberOT-2026-000074583 · never reused
Internal UUID01a0ae93-717b-7b9f-9145-72ba5391c193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074583
StatusPUBLIC

Content hashes

Canonical textd19c4d2ce943fe8a1e23ce349e40c34425d44a8208093561a3e0fc193052a865
Markdown3131e190ccff3fbebfb945eb87be2f0d8cc68de579431a81730bca14ded426b9
PDF
Publication page7ccd485782f7cd4c97e78329f68933295b50202ef9dfaa707196626b776dc93b
Manifest171348fb052e615ea781ea98a6ce1c909c3fae42db669c5f14d090735b4ac1b5

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
Signaturet4PIxn8i1zI4Bbspj1cVjogSBO8eZQejRbdjKbvE6uUAcE7FUKTSn/BlQzbkbqB2ARbVJuqyCxJz3W20Tr7SBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:36.235626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074583
observed 7ccd485782f7cd4c97e78329f6893329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.215530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074583/manifest.json
observed 171348fb052e615ea781ea98a6ce1c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.196174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074583/publication.md
observed 3131e190ccff3fbebfb945eb87be2f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.177431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074583/publication.txt
observed d19c4d2ce943fe8a1e23ce349e40c344...
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.