OpenTechnical

OT-2026-000014519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000014519) never changes.

Identity and time

Publication numberOT-2026-000014519 · never reused
Internal UUID01a0ae6d-b27b-7a9a-a9a8-457a8848c8cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014519
StatusPUBLIC

Content hashes

Canonical text64f78705cfd9b462c4dd6a36466db08b2cfd258036a1aadf346036da936babb1
Markdown0e93bd980fca1b39f4ec9ff001b2f5c56ddd6847dd579dbea3a3291f2814c4a3
PDF
Publication page8789d4fae808429c7cf935f15f16fddb67441e2f61ddfc66e7854cae94eb1846
Manifest28d8adf3e12cab1b3d30863db43808966b2c6dd4c71160cde225b0f80847d0d9

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
SignatureDJOjZPleDfMqQJS9DPGg4H2NnLN6bL4v7AiFWLnug7X7qWLEGw2TohnmgJd+OZJnEqgq1VloFcmm5xk/xx3RCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:21.319123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519
observed 8789d4fae808429c7cf935f15f16fddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.291890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/manifest.json
observed 28d8adf3e12cab1b3d30863db4380896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.261529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/publication.md
observed 0e93bd980fca1b39f4ec9ff001b2f5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.234477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/publication.txt
observed 64f78705cfd9b462c4dd6a36466db08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.722149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519
observed 8789d4fae808429c7cf935f15f16fddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.702442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/manifest.json
observed 28d8adf3e12cab1b3d30863db4380896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.684790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/publication.md
observed 0e93bd980fca1b39f4ec9ff001b2f5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:24.667241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014519/publication.txt
observed 64f78705cfd9b462c4dd6a36466db08b...
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.