OpenTechnical

OT-2026-000030114

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030114) never changes.

Identity and time

Publication numberOT-2026-000030114 · never reused
Internal UUID01a0ae73-e4ff-7374-a33e-b4369139b0db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030114
StatusPUBLIC

Content hashes

Canonical textf04592ee68bcf95883826fdd5f94c5d405058dafb4bc2457ecb61e4507288e0c
Markdown9b7f06eda5e9134abb9ab3fb111a4086f59ce8de0ec6b2eb80d71428053a4a16
PDF
Publication page0d5719bb41fd5d67bbefb7a1d57c8ba3351c19b9e4fa796e8c164c9b4d956e2d
Manifest68c64c12118921573932d425f298577148abbf0061d524ce27a5a36d59e30523

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
SignatureOQt+T/qEm8GJ0e+FA6sGhYURIsJ+YDEbfxrf8deETRVATFzX3krcfQP5q4WrvXlSzkOUqhNkVcAcSkpKAfBqBw==
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

2026-09-17T11:40:20.825298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114
observed 0d5719bb41fd5d67bbefb7a1d57c8ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.807333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/manifest.json
observed 68c64c12118921573932d425f2985771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.787311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/publication.md
observed 9b7f06eda5e9134abb9ab3fb111a4086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.769224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/publication.txt
observed f04592ee68bcf95883826fdd5f94c5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.783020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114
observed 0d5719bb41fd5d67bbefb7a1d57c8ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.765327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/manifest.json
observed 68c64c12118921573932d425f2985771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.747211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/publication.md
observed 9b7f06eda5e9134abb9ab3fb111a4086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.729630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030114/publication.txt
observed f04592ee68bcf95883826fdd5f94c5d4...
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.