OpenTechnical

OT-2026-000056246

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000056246) never changes.

Identity and time

Publication numberOT-2026-000056246 · never reused
Internal UUID01a0ae87-4bd1-7ac4-9f7d-e65ac689fcce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056246
StatusPUBLIC

Content hashes

Canonical text22132a9b11f853fcf39e12a419672fe29d854d624caa2331054f77ca5a043886
Markdownfb5a71cfee1d1d84123b1151d9bdb8c55607ab8e0d5a18693f19440c3392f494
PDF
Publication pagec9914e500d84cb4af37709cd370631217f8a624e3d65acdc7e4261597b827d07
Manifest18219a261dd344a08034349389c2116739ea2a644c89fac60282ee5a16b9da34

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
SignatureZDafS5pkJEDR/xJ61BcVn7FmGkYwnETynPxzmWSR8WWPshHl05kzh37w9SScrTgQ5MDfYRBkLzFyHzCWecXgBg==
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

2026-09-17T10:50:43.602402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056246
observed c9914e500d84cb4af37709cd37063121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.584792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056246/manifest.json
observed 18219a261dd344a08034349389c21167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.569023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056246/publication.md
observed fb5a71cfee1d1d84123b1151d9bdb8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.552002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056246/publication.txt
observed 22132a9b11f853fcf39e12a419672fe2...
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.