OpenTechnical

OT-2026-000044237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044237) never changes.

Identity and time

Publication numberOT-2026-000044237 · never reused
Internal UUID01a0ae7c-39d5-7ebe-90fe-e44c50d0e440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044237
StatusPUBLIC

Content hashes

Canonical text0dbc476e203f17437e194c8b54f645d08f342560695a060e40fd263eab8ec7b3
Markdown79d35c154839a2f6d85ea77b7be48f68cb6b3f5a82b70a3464e77ee217e4a4f5
PDF
Publication pagea02a79a1bc66de28cd683a6f63693cee15e60aa66a814f6462ae870744925866
Manifest4f19af0ea920a6e73f9cd655977987577c82c45247ef93c77fbc221e06f7b22a

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
SignatureVL4VUW97y5Twn7aZNE4TmIESwoXPMSAibVbDeTBGUiqEcGYJZ3KAIYL5eAT5g6zN251Xtpprq+gUzybYuvFsCw==
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

2026-09-17T08:30:03.797637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044237
observed a02a79a1bc66de28cd683a6f63693cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:03.779592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044237/manifest.json
observed 4f19af0ea920a6e73f9cd65597798757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:03.762735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044237/publication.md
observed 79d35c154839a2f6d85ea77b7be48f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:03.744923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044237/publication.txt
observed 0dbc476e203f17437e194c8b54f645d0...
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.