OpenTechnical

OT-2026-000054213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000054213) never changes.

Identity and time

Publication numberOT-2026-000054213 · never reused
Internal UUID01a0ae85-b3a8-75ab-b822-c74477a73b26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054213
StatusPUBLIC

Content hashes

Canonical textd534e90aabef8c67b27fefc5a5b3b7661fc9c630d9c9596d9131de7691841cd2
Markdown96c0ce81309402d85d63a5c57dd9fdad73b94ead42d5b7b2cec2ba9d6a92cf90
PDF
Publication page03710840187e1588dc4cc847810d09c6fd433c690510bbbcf1ae45d754721485
Manifest012210e03d8850ce503cb9f06672ee149e8494e80d97e1cec11c70307ee44566

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
SignatureezQ3cbnbhr6CTBOqMpZp8h7Spn7frbEYZS96Dfa5SqB/PzcMyeSKn5uc4GhyfTXlTlGjb22a0l6hdj8pufPjAQ==
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

2026-09-17T10:54:41.541428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054213
observed 03710840187e1588dc4cc847810d09c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.521178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054213/manifest.json
observed 012210e03d8850ce503cb9f06672ee14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.501311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054213/publication.md
observed 96c0ce81309402d85d63a5c57dd9fdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.481268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054213/publication.txt
observed d534e90aabef8c67b27fefc5a5b3b766...
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.