OpenTechnical

OT-2026-000054878

Publication integrity record

Three pad foam 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-2026-000054878) never changes.

Identity and time

Publication numberOT-2026-000054878 · never reused
Internal UUID01a0ae86-1285-7588-ad16-d64e20c2f433 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054878
StatusPUBLIC

Content hashes

Canonical textefb4c25f946b14e2276b4f999364b3042548111af7fa939bc19b28939074cde6
Markdown905cf26d49196967ccb8dfb01124dbf4cadc41e81a7f99fae1dbd9333cbf5c18
PDF
Publication pagebd257657964319739659135d7cc37492731b4ac455d488464cfe144e17eae7e3
Manifest652221728f3914d40ada6a3bcba438e699b9dbd2fe483af50f1251f5817107c0

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
SignatureVsQ+sVJMVileqZV184rxxTyW8CLNdojlILdM1vEa+c5rXkCg3G6s2h38VSRSYFmctFhoz4LIFWOLl90jaW5hAA==
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

2026-09-17T10:54:06.074402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054878
observed bd257657964319739659135d7cc37492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.056581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054878/manifest.json
observed 652221728f3914d40ada6a3bcba438e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.037635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054878/publication.md
observed 905cf26d49196967ccb8dfb01124dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.019963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054878/publication.txt
observed efb4c25f946b14e2276b4f999364b304...
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.