OpenTechnical

OT-2026-000023167

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000023167) never changes.

Identity and time

Publication numberOT-2026-000023167 · never reused
Internal UUID01a0ae70-7267-7fde-a58d-82234f4f8c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023167
StatusPUBLIC

Content hashes

Canonical text0a588a3e43799f0dece8327c9359667fe6e785715a5bbed42dc16eff3d8c0fb1
Markdown3fb1b437544fc79c6ca878f28dd0d6dd171dc936bfb5026ef774d796ecadacdc
PDF
Publication pagec4ba72a80302444f0ec7c78c50a3275fb5f24855f60d5f1fc01ef43a8a7049aa
Manifest8afd444bb6a5b5b779dff1033b56ab003d92862442901d5c02e6668263c635f6

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
SignaturesjwgPMIhXxGvo9apKYdHPf9h7rfX9wvr5RnfLg+587G+o+1lkk/bNysgMBMjfqcTGiKLEzMoJToBSD7dt8hKAA==
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

2026-09-17T11:51:06.619852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023167
observed c4ba72a80302444f0ec7c78c50a3275f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.600396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023167/manifest.json
observed 8afd444bb6a5b5b779dff1033b56ab00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.490859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023167/publication.md
observed 3fb1b437544fc79c6ca878f28dd0d6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.473705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023167/publication.txt
observed 0a588a3e43799f0dece8327c9359667f...
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.