OpenTechnical

OT-2026-000026034

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000026034) never changes.

Identity and time

Publication numberOT-2026-000026034 · never reused
Internal UUID01a0ae71-a840-75b9-b83f-6dbb34a0ffd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026034
StatusPUBLIC

Content hashes

Canonical text4c7da1063b20cd49fbf65ae93ac0c285e4e788a728e4d869b6534c1d03f584df
Markdown166963b970c02c9d087857f3fe952591be4a931a0a241d3933776bbb8551e7b3
PDF
Publication pagede058ff89640ff3b9601f8ccf2726a300a40b504d3c97409862d95d4baa8ab79
Manifest191726bf4f0ff674a2791b934badc26db345c1889ee6bc701b1c4242b11fbff2

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
SignatureR0WUSJfZHWcIQP8+NzrHfhsdTyYYOY5tUYLWXfEQRgCl62ARUAaaqf9+0a/TljzMGIA6F+zf3uf7N7qC+IxlAg==
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

2026-09-17T11:46:25.268528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026034
observed de058ff89640ff3b9601f8ccf2726a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.247835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026034/manifest.json
observed 191726bf4f0ff674a2791b934badc26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.230581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026034/publication.md
observed 166963b970c02c9d087857f3fe952591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.211280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026034/publication.txt
observed 4c7da1063b20cd49fbf65ae93ac0c285...
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.