OpenTechnical

OT-2026-000054137

Publication integrity record

Three cup vacuum gripper, three 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-2026-000054137) never changes.

Identity and time

Publication numberOT-2026-000054137 · never reused
Internal UUID01a0ae85-b3a8-7f6f-be3a-2736a56885c7 · 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-2026-000054137
StatusPUBLIC

Content hashes

Canonical text8efabbf7919d0a634bf9db6e9ed62e46c7caa56922f4b86e9df7920c0e19f96d
Markdown349ab2e8e2f27228765c4d4948c9ed27fd8537ef379aa60716468804dba54b3f
PDF
Publication pagea3f1fa520740e26277321008da5b02d054e8c6c1b103685eccaed12dedfaa038
Manifest313bdcd2652c63302e27d18b9d3c8a87734b79d3b7c71544b2074f32cab3a3a2

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
SignatureRuccEEFRW88ix5oQtrdyVtDEVDzIKmLG91Gc+B2ip0JjUpqouzIf+8YMbgdPZ7uIOShQ7tvpa/KcvQCpPVkhCw==
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

2026-09-17T10:54:34.077811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054137
observed a3f1fa520740e26277321008da5b02d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.060836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054137/manifest.json
observed 313bdcd2652c63302e27d18b9d3c8a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.042441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054137/publication.md
observed 349ab2e8e2f27228765c4d4948c9ed27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.023005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054137/publication.txt
observed 8efabbf7919d0a634bf9db6e9ed62e46...
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.