OpenTechnical

OT-2026-000054381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000054381) never changes.

Identity and time

Publication numberOT-2026-000054381 · never reused
Internal UUID01a0ae85-b3aa-7373-8639-1a60a070f081 · 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-2026-000054381
StatusPUBLIC

Content hashes

Canonical text1db328f181f876404a466ff33a0605f28ecceafbd57ba2d1003a17cba17a2644
Markdown31d407e8eb43399c77095108153b6d3fbd3c9cc741b7f58291f5e4d233abd7a9
PDF
Publication page0f164f97ee37612bef4b08e86803015ef17b5c9596336e0df8e4eff66be8c7ac
Manifest2094aaf616309283d6683f9ca7f9f9981a8d1ea1a4bec70e7f6cdfe868badbf7

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
SignatureryQ/lRtcLMtpxIuewF1/Cf3Hc+W2EHmjf03QPgamcqVNw0GPQlTt0uARuUVVJ2ou32bJUfJyDilEIrrrAvevCA==
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

2026-09-17T10:54:54.947771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054381
observed 0f164f97ee37612bef4b08e86803015e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.925163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054381/manifest.json
observed 2094aaf616309283d6683f9ca7f9f998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.906453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054381/publication.md
observed 31d407e8eb43399c77095108153b6d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.887110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054381/publication.txt
observed 1db328f181f876404a466ff33a0605f2...
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.