OpenTechnical

OT-2026-000014132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000014132) never changes.

Identity and time

Publication numberOT-2026-000014132 · never reused
Internal UUID01a0ae6d-b278-7e78-8097-b8f58382c1fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014132
StatusPUBLIC

Content hashes

Canonical text16d08b046f14bf90019f8e01a956b1896e3296855481d0b47ca935b34db78a5f
Markdownefed0a8e412c60711e4ed98dfecf75381ed4df35aabb8ef16dd6062fca895a6e
PDF
Publication page921e458f20f6439cffcc03e1447454e2f394fc90f795a8c12020d9f4b520f277
Manifest5a494b90509bb42907fc330553eda97dae6bc882370ddcf85361512d3756d0fd

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
SignatureqvOyniJVGFr3Juf7bkdtnPIK24274VSw/bIwfv3VDeYMdOU0MTHlRJqXaXZ119EXcuKnk1MMVwBtRE/Uyc4JCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:12.316217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014132
observed 921e458f20f6439cffcc03e1447454e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.296856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014132/manifest.json
observed 5a494b90509bb42907fc330553eda97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.279023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014132/publication.md
observed efed0a8e412c60711e4ed98dfecf7538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.258815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014132/publication.txt
observed 16d08b046f14bf90019f8e01a956b189...
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.