OpenTechnical

OT-2026-000061738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000061738) never changes.

Identity and time

Publication numberOT-2026-000061738 · never reused
Internal UUID01a0ae8b-b8aa-7968-a41b-0a6eb9c2f8fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061738
StatusPUBLIC

Content hashes

Canonical text1ec90c11215a238fc0d1dc59f3e7fcdb78a833e383e819b85a30b455fa6caf43
Markdownf4205eb2ab2feed8bf5929842bc5686ec501fe69e991bac26d00fb9a38234f3f
PDF
Publication page52e33cbf1174161b4a885487e8813884269084a82f1bd946dc6cf2c2d56c359a
Manifestf20272104bf4b4eb068b16269fb8ec9b323433667749f5376197a374041d3cb4

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
Signaturen00pGBnJbCqAMl1AWQOc10lwxe9I533UQhyDvAjqhTXEPsmh7zVaX3BEdWLmnsjHQCCNZ5FmOzEpxcyKKKHCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:25.787397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061738
observed 52e33cbf1174161b4a885487e8813884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:25.764364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061738/manifest.json
observed f20272104bf4b4eb068b16269fb8ec9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:25.740984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061738/publication.md
observed f4205eb2ab2feed8bf5929842bc5686e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:25.720198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061738/publication.txt
observed 1ec90c11215a238fc0d1dc59f3e7fcdb...
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.