OpenTechnical

OT-2026-000057337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057337) never changes.

Identity and time

Publication numberOT-2026-000057337 · never reused
Internal UUID01a0ae87-d5bc-733a-8f21-8d2159151898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057337
StatusPUBLIC

Content hashes

Canonical textcd77e8e1ddd4f1ffc7287a0c2f3547a069db32c2cf504eb715e5ae8031652a70
Markdownc708d01507eda9912ade8a55911b9e96e12c33a12d2ff60c7d4282216c236f31
PDF
Publication page00344caa2fb74ec206146892fab01223606fd775c3e996026e48bf7baa97a91b
Manifest72a5c566e6946ed41b6a72cac568b79d3c9b29dc7376ab9be4c3e8e73cc5f43b

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
SignatureOjz2hBBiBxDrDAWSefVnhI/6G65KbMYTDWkSKKCkpi2o+WxpThqExJoxhrhgvsSAiinSQd2/CdgUR434hq8tBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:27.477892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337
observed 00344caa2fb74ec206146892fab01223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.458413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/manifest.json
observed 72a5c566e6946ed41b6a72cac568b79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.436551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/publication.md
observed c708d01507eda9912ade8a55911b9e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.418699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/publication.txt
observed cd77e8e1ddd4f1ffc7287a0c2f3547a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.702658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337
observed 00344caa2fb74ec206146892fab01223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.684684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/manifest.json
observed 72a5c566e6946ed41b6a72cac568b79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.666560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/publication.md
observed c708d01507eda9912ade8a55911b9e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.648079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057337/publication.txt
observed cd77e8e1ddd4f1ffc7287a0c2f3547a0...
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.