OpenTechnical

OT-2026-000027071

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000027071) never changes.

Identity and time

Publication numberOT-2026-000027071 · never reused
Internal UUID01a0ae72-3453-7f05-bb17-e9d5b56d1dd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027071
StatusPUBLIC

Content hashes

Canonical texta59af84eeb5805373a169a58c0d8ef3183f954cb2d0e41f5ab023ea2a1b7a7a8
Markdown98ed827c71707e78ba9d7fca13b2d2048568f5aed9b29f770a1d2b8b7ef7e798
PDF
Publication pageda4652e310ad420d9ed683e9f9e8fb783d89104a7a062c8c19c5ecd02457667d
Manifeste4c95a4bb46daf9ebc0ee0c7d7228c88ad40c5d026f7748c8c60ae504acbc75b

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
SignaturehfRmv8zkXUCiTcA7/a5JHYyxvc08dzvV/tzX0BTHJq5e7hixSk77iL28+xmRksoQt59ClNwIRtTVmccHdevZAw==
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

2026-09-17T11:43:50.038787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027071
observed da4652e310ad420d9ed683e9f9e8fb78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.020223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027071/manifest.json
observed e4c95a4bb46daf9ebc0ee0c7d7228c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.001829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027071/publication.md
observed 98ed827c71707e78ba9d7fca13b2d204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.985091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027071/publication.txt
observed a59af84eeb5805373a169a58c0d8ef31...
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.