OpenTechnical

OT-2026-000087091

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000087091) never changes.

Identity and time

Publication numberOT-2026-000087091 · never reused
Internal UUID01a0ae9a-9f2d-7930-aedb-f46c4ce25145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087091
StatusPUBLIC

Content hashes

Canonical textfa2e02b261f1f0966b0550eac876bdcb1300646b81a0d84bd3d109e4514537f9
Markdown4de7d37e703bf73d4ddf1a61f35cb258c0bbfb35e26c1d6e8e494abae8ec5d7c
PDF
Publication pagea038718bbd4ee05e7c0cfc0f0be23560b7db844c99cb284f4dbc14254a4b8d7c
Manifest3acb3963b84b4684ee19edb0bab9fa69416221a6f5d0fbc865642bb83332192d

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
Signaturer3UrRuvx8z7b5LLsEbb07P+iSPZIPGvEKXMRs4WsTYsnAOkyrPhKicN2ISNr27KbfT7wwjQWZaEIPDntfHvICg==
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

2026-09-17T09:51:20.990176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087091
observed a038718bbd4ee05e7c0cfc0f0be23560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.973882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087091/manifest.json
observed 3acb3963b84b4684ee19edb0bab9fa69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.957214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087091/publication.md
observed 4de7d37e703bf73d4ddf1a61f35cb258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.940255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087091/publication.txt
observed fa2e02b261f1f0966b0550eac876bdcb...
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.