OpenTechnical

OT-2026-000045072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000045072) never changes.

Identity and time

Publication numberOT-2026-000045072 · never reused
Internal UUID01a0ae7c-f768-7c11-b8bd-a6064b465bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045072
StatusPUBLIC

Content hashes

Canonical text11bf63656fc0ab28de38869983ec7d54e3a9303c7af311895b247fc301df819c
Markdown3df2999f7d5a203173b38295d6b17f84e76810b3b4495f2860b5b64db8811f1f
PDF
Publication pagea9b5fe72e9cd2d1a398c55f25aaf1272355bbe388cc16402c952ecdefcdd0f36
Manifest280e755c5d1004e391c570033c9a3863497935b2285f983cc20ab07a25811f06

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
SignaturecYxbNMIEnKVORFpMRCJG6gPqHQgZv5dSpQZh9WqZ+APC9boGyvL2Q9n81sudEQ9IAyV3yKWdGQr0Nb8TIH4yDw==
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

2026-09-17T11:10:06.378875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045072
observed a9b5fe72e9cd2d1a398c55f25aaf1272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.358652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045072/manifest.json
observed 280e755c5d1004e391c570033c9a3863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.336133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045072/publication.md
observed 3df2999f7d5a203173b38295d6b17f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.313379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045072/publication.txt
observed 11bf63656fc0ab28de38869983ec7d54...
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.