OpenTechnical

OT-2026-000080315

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000080315) never changes.

Identity and time

Publication numberOT-2026-000080315 · never reused
Internal UUID01a0ae96-7e77-780d-a16d-05b0c294a10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080315
StatusPUBLIC

Content hashes

Canonical text3095c19d06639d3f35dd54455ef8b8135b655db38e3108164a201968f87c6fb8
Markdowncb6ec902479a40afa0085ca9504d6e46c39d20ca1535dd9539baca9803c4a223
PDF
Publication page10955b05010bc8b675aba2b22e3ccf5a8bc9181ff45982c5d273f276ffe2bccd
Manifeste3259bddadfaad6c52a086fbc5b2835a2537b69c83c0c9df1d4254c3f9e94d39

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
SignatureJlsjVxqFeLf440HP1uSgGMfCeL2cF+8f6IO2z7+T4vSz+2fz77l6aI4txHpWu9gJZv6NNfIjzQurMPIKy1OXCA==
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

2026-09-17T10:02:47.153023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080315
observed 10955b05010bc8b675aba2b22e3ccf5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.135318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080315/manifest.json
observed e3259bddadfaad6c52a086fbc5b2835a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.115560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080315/publication.md
observed cb6ec902479a40afa0085ca9504d6e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.098252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080315/publication.txt
observed 3095c19d06639d3f35dd54455ef8b813...
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.