OpenTechnical

OT-2026-000104529

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, vented 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-2026-000104529) never changes.

Identity and time

Publication numberOT-2026-000104529 · never reused
Internal UUID01a0aea7-239f-7478-88bf-49a5e66a74c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104529
StatusPUBLIC

Content hashes

Canonical text5326e95adddb325fedcb02cbd5092fae40afb12a1c84713ff9feb13ed92382ed
Markdown16c2fd73053c5a757af324ec7e108bd299c4a6f305578218f669ec1e9704d647
PDF
Publication page0416ceb2663b09e2c17b8dfaa58f239e32bfe3617c145f4deb0c6f68cb67d98f
Manifestcb20e96bc70452dd4ab558fd6cf1d21b5a86ad115a98c9959ce4dbf7c2164986

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
SignaturegwXxcJrWXZIIcX8rYOtqlTwQnUdVRmjE7b1yL4wxoV+wEr8MY9oBWh1YBSsI2shT2+B9zioqx0V7oqv1iYJADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:02.817669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104529
observed 0416ceb2663b09e2c17b8dfaa58f239e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.801485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104529/manifest.json
observed cb20e96bc70452dd4ab558fd6cf1d21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.783286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104529/publication.md
observed 16c2fd73053c5a757af324ec7e108bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.765724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104529/publication.txt
observed 5326e95adddb325fedcb02cbd5092fae...
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.