OpenTechnical

OT-2026-000053045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000053045) never changes.

Identity and time

Publication numberOT-2026-000053045 · never reused
Internal UUID01a0ae84-a431-79c7-85a5-af8e450aa2e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053045
StatusPUBLIC

Content hashes

Canonical textb7e919b9582506cebd7fc595ef7e18b06edaf1114f7c3d1dddf92696301ddb84
Markdownd9998817481f126e6093e6f79ad909a5b1229214f1a530c07c5f78089810bc56
PDF
Publication pagee5a59c75e14c069c9087c7fae58280df4671a720663836772bc8b52eb50a5a5b
Manifestee052ea51f48d74a4d2895afe94b7cda4279a59313e42e96e7423daf7d41ffb9

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
SignatureFxmMvmUuxKC4YMDbd/Wm0pB5WucoLb5wgfGzNruSjEfTfPvIzfHKDjN4R9KDGnLcl2iRFB4P7mNgJ1SrFPIYAw==
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

2026-09-17T10:56:45.259387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053045
observed e5a59c75e14c069c9087c7fae58280df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.240642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053045/manifest.json
observed ee052ea51f48d74a4d2895afe94b7cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.219117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053045/publication.md
observed d9998817481f126e6093e6f79ad909a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.197919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053045/publication.txt
observed b7e919b9582506cebd7fc595ef7e18b0...
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.