OpenTechnical

OT-2026-000054265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054265) never changes.

Identity and time

Publication numberOT-2026-000054265 · never reused
Internal UUID01a0ae85-b3a9-768e-bc68-a4313b65300d · 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-2026-000054265
StatusPUBLIC

Content hashes

Canonical text744ce3bb2af81e98624156faa8ba21bd9bcffa3d5ce4d61205541e0f4521c23d
Markdown8988586fa88f37788f44fdd06794fc3cfafa64dd2ea520026f0f21e1e6281a55
PDF
Publication pagef1de6cdb004634e3942e4b74a80459d7ee9b6c96d217c80d072de2ec3414d24c
Manifest37e240c930b7df7eb9f64db2c0acaa88f0ffedeff95268285aeb19312880214c

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
SignatureV2cV4Ozl0nqSr+a+wB4qBdNGxgfAm/FCnfIwFbFdalfT+xrxvQBxcV8AeywOQ5vrdO3RDxZ0ggbo+hljg7J+Aw==
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

2026-09-17T10:54:45.359544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054265
observed f1de6cdb004634e3942e4b74a80459d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.340808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054265/manifest.json
observed 37e240c930b7df7eb9f64db2c0acaa88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.317563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054265/publication.md
observed 8988586fa88f37788f44fdd06794fc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.295290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054265/publication.txt
observed 744ce3bb2af81e98624156faa8ba21bd...
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.