OpenTechnical

OT-2026-000057025

Publication integrity record

Two cup vacuum gripper, two 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-2026-000057025) never changes.

Identity and time

Publication numberOT-2026-000057025 · never reused
Internal UUID01a0ae87-d5b6-7e39-943c-1decb77e9421 · 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-2026-000057025
StatusPUBLIC

Content hashes

Canonical text7c1d37088fec8677ede49b34289c4bdaeb8ceeadfe37cee784464c10b0672fcf
Markdown0ce0732b8e9707ffe0b853dd4cda3b8603cfe138dadafabc01f5f5b8d2f7cf76
PDF
Publication page8a43ed0843708e53b43c1f544524c13e43f61bcd0cfa6c76a38c18266af2256f
Manifest4acfc876c757bdf5fdfcb94951a0f9ccf58bd701608d710fc717064b608bc7b1

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
SignatureOM/bSeYclqnBTYzGcpJ7AlVVtOXM5uZWzv602zovEPwJq7KofgiTn2ut/D0vGmyzZZvhagjQlBE5jYUb24BvBg==
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

2026-09-17T10:48:30.289791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057025
observed 8a43ed0843708e53b43c1f544524c13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.271982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057025/manifest.json
observed 4acfc876c757bdf5fdfcb94951a0f9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.255064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057025/publication.md
observed 0ce0732b8e9707ffe0b853dd4cda3b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.236773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057025/publication.txt
observed 7c1d37088fec8677ede49b34289c4bda...
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.