OpenTechnical

OT-2026-000049138

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049138) never changes.

Identity and time

Publication numberOT-2026-000049138 · never reused
Internal UUID01a0ae81-134e-7651-a455-2c0c5a8d4fd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049138
StatusPUBLIC

Content hashes

Canonical text18dd9e9e0bd57465477b41c7a650b3e078c85b11f9d3257bd31b389ff9d59694
Markdown2e0e8a1145dd6bf3932ea294b9675bc2e493e4b94a6fdc127836368c72eb5770
PDF
Publication page680f3b3273946ff38aa7f15bd733eb32c44859d8ab883ce19ea72799753847a2
Manifest882c65efebd21a305b03cea3efd4db7897e7250b772022bbf614f138682c17a3

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
Signature3Y/mVkvz9gbhI5bHJCrR4mDx0KJlnChR5b/WQHfkumDwGdC2/SPkHbofZm8hpbxJlXZiHeETswIaW9ua1IfpBg==
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

2026-09-17T11:03:24.508659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049138
observed 680f3b3273946ff38aa7f15bd733eb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.489677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049138/manifest.json
observed 882c65efebd21a305b03cea3efd4db78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.472007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049138/publication.md
observed 2e0e8a1145dd6bf3932ea294b9675bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.452775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049138/publication.txt
observed 18dd9e9e0bd57465477b41c7a650b3e0...
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.