OpenTechnical

OT-2026-000087148

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000087148) never changes.

Identity and time

Publication numberOT-2026-000087148 · never reused
Internal UUID01a0ae9a-9f2e-770b-ac67-a49f3f208e7a · 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-2026-000087148
StatusPUBLIC

Content hashes

Canonical text86a8354c88480ecacdfb2978544d001384fad10b6364b664fca457d00a1f9630
Markdown4f98873578f8667a954df30d6f5ec05a4da53644ff2483bb01a5aa2edade4d35
PDF
Publication pageb114694643e0596e821f420e1c3417f2e7616ed2fea204bc13b63993f2756755
Manifest1fd102dc2e70c8b879831331bca549c1437e88a9866bd7278380bbcbe6277938

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
SignatureXJFTRrcjWZNKUyRSnU2hVLB8eeev73TsQ8TqmbPQcSUAllEKxSyqP8L6qIA3XDB2phYK/sBFipg+vf1A+23xDg==
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

2026-09-17T09:51:24.804533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087148
observed b114694643e0596e821f420e1c3417f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.788265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087148/manifest.json
observed 1fd102dc2e70c8b879831331bca549c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.771037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087148/publication.md
observed 4f98873578f8667a954df30d6f5ec05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.755551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087148/publication.txt
observed 86a8354c88480ecacdfb2978544d0013...
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.