OpenTechnical

OT-2026-000098603

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000098603) never changes.

Identity and time

Publication numberOT-2026-000098603 · never reused
Internal UUID01a0aea2-42ad-7c8e-815e-788319020a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098603
StatusPUBLIC

Content hashes

Canonical textefd6d4af26b136fb43100891a3400a3e4bb00251406ba3eb3159f8e711b86e87
Markdownd46941fb672f43fbfdcd367178ed90367b68b53143c6835017fb7ae3a69eba1f
PDF
Publication page6c11c84839dbc6a17a69e464a86904b5d1f606965e1e2aa88828e30a6b93a808
Manifest7575fe245555d95775b395f4016b86f44505e9a57ab67d5c24f0bc6809246bda

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
SignatureOhRMDxbKi42XvE717fzYoGbyRXYVDF9brOTUTu6QtS7tw2NeYbeFVln12uN32nb6JDIsIGQ7yHLbPqpPzumvAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:52.977268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098603
observed 6c11c84839dbc6a17a69e464a86904b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:52.957529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098603/manifest.json
observed 7575fe245555d95775b395f4016b86f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:52.936390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098603/publication.md
observed d46941fb672f43fbfdcd367178ed9036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:52.918128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098603/publication.txt
observed efd6d4af26b136fb43100891a3400a3e...
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.