OpenTechnical

OT-2026-000079301

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079301) never changes.

Identity and time

Publication numberOT-2026-000079301 · never reused
Internal UUID01a0ae96-0b90-7c9a-97cc-c9a37069fdd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079301
StatusPUBLIC

Content hashes

Canonical text2a01357e2e07d29e4c11d3f5827090db2733701c9ae01a1fdc1df74a7f6622d9
Markdown8fe93f6be16ce48cd6c4beea9c2ed1dee385696f0b9753c079d91112fa942f36
PDF
Publication pagebae8d4e443c341486350da8f9aa677c51929ab1554fafb32d0ca7b7b484de9d7
Manifestd3f25659181db26312bd3cf956e685a40c521d154c4803b908c07df3e89d7e82

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
SignaturePqbJCqyiN7uFCjIniAMzBH0UbHDh/D29nBi8vzAn4pmhQeTaHOnBpTxrJphRTi5xKeE3ANyGi6+1J86pUKTXAQ==
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

2026-09-17T10:04:54.721528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079301
observed bae8d4e443c341486350da8f9aa677c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.702762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079301/manifest.json
observed d3f25659181db26312bd3cf956e685a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.686034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079301/publication.md
observed 8fe93f6be16ce48cd6c4beea9c2ed1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.668692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079301/publication.txt
observed 2a01357e2e07d29e4c11d3f5827090db...
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.