OpenTechnical

OT-2026-000099609

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000099609) never changes.

Identity and time

Publication numberOT-2026-000099609 · never reused
Internal UUID01a0aea2-c975-73a1-a50c-fbb034383a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099609
StatusPUBLIC

Content hashes

Canonical text5fe5f785bdf8a01265c189c8f5d91983a99620cca0689e927ac4d03b865dad79
Markdown587fdf3e11d125737865d695a4e3fb5a19346fe6722e90cce923f31f7d575777
PDF
Publication page1c1c0659f53a4b1518cedee8e42c181c9b34bf089450d7e39074752d76b3e734
Manifestc7032d5f91ef6f66c0bb9784d99f745c98e66fe08a8944b1cc723ef45858fc36

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
Signaturef/sTT4f3WK2ghfBX30wzkXXUCvyQY3QE6CIGSHqjjlcCj5ruF71XHMS2ZYUiUHJqeu89EoDRpP0kuWMhJr+UAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:32.290970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099609
observed 1c1c0659f53a4b1518cedee8e42c181c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.273698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099609/manifest.json
observed c7032d5f91ef6f66c0bb9784d99f745c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.255257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099609/publication.md
observed 587fdf3e11d125737865d695a4e3fb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.238911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099609/publication.txt
observed 5fe5f785bdf8a01265c189c8f5d91983...
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.