OpenTechnical

OT-2026-000052514

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052514) never changes.

Identity and time

Publication numberOT-2026-000052514 · never reused
Internal UUID01a0ae84-573a-7d63-8e5a-45063ae66442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052514
StatusPUBLIC

Content hashes

Canonical textd0590018affe26d875b068ba1381b5b8ca1e330fc1109d82e0cdf201ec5ad0ba
Markdown0f9d2144b2a7c267b52a23c4b7f8a4df39d3a6120a8d0d7c9a56866ceed88ede
PDF
Publication page135d5cc51b170e780092d7125873b23b092b861e8f4700169a4745cfa68ff107
Manifest702d968a33911e25d667d4a1edd3c772ed5e19eaa8bf51c34e654513e57f0062

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
SignatureobkalPcVKJOqwsBiHzHCD7Dd53YgB08fWDij6jN9E3c9QuictVWnChWpaK6GnJfI5juix9zYOULJtT+cKWcYAA==
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

2026-09-17T10:57:09.395730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052514
observed 135d5cc51b170e780092d7125873b23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.378817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052514/manifest.json
observed 702d968a33911e25d667d4a1edd3c772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.362545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052514/publication.md
observed 0f9d2144b2a7c267b52a23c4b7f8a4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.345639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052514/publication.txt
observed d0590018affe26d875b068ba1381b5b8...
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.