OpenTechnical

OT-2026-000079743

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000079743) never changes.

Identity and time

Publication numberOT-2026-000079743 · never reused
Internal UUID01a0ae96-4375-71b2-942d-4cad604e3c0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079743
StatusPUBLIC

Content hashes

Canonical text6b0fe1e4a265ac761953b8cefebcc72edb896e87dc7ff95adccb42a8d0d04279
Markdown08d73cb9793f780e8b6faa62adcd144495f0796b76c9e8cb7a3f2f4f2a6936ce
PDF
Publication pagef21f5ce14b49ae6375bb0eefa1fb73a7266ddd6b72e2bb18bf561e7b5069e1bc
Manifestaf8de5b193f0fdd508296be282d33cf63a7a861afbc96c09dd54099bb31500d4

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
Signaturewi5JZpSKC+/Ppo1ePea2pgESCSr0URAfl2h4Qw8eoTDj75CpfE3uja0B96eiwvObEyCd7xc3h5dLloYmy0bOBw==
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

2026-09-17T10:03:36.585709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079743
observed f21f5ce14b49ae6375bb0eefa1fb73a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.567884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079743/manifest.json
observed af8de5b193f0fdd508296be282d33cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.550956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079743/publication.md
observed 08d73cb9793f780e8b6faa62adcd1444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.534042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079743/publication.txt
observed 6b0fe1e4a265ac761953b8cefebcc72e...
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.