OpenTechnical

OT-2026-000099747

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099747) never changes.

Identity and time

Publication numberOT-2026-000099747 · never reused
Internal UUID01a0aea2-c977-761e-a1c7-45a2efa5022d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099747
StatusPUBLIC

Content hashes

Canonical textdf637513bdf6632831837cda2fd34d4aa110f0b61b1fcb45a6774224f34a19b1
Markdownd8bc4b66550196cb59e7af7508d3d96346cfec30eea130ade8987123cf2dd99c
PDF
Publication page13e571f20daea69ac0e22d3c4aeda4e7eccd709d99e157b2427cb5cb8fc20635
Manifest96d8941bc104f0d7d1077db625d708aff69639f011defc9fad64574b8ccdfa4f

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
SignatureAhz6LRzu7xNYoQPUEuIeldtDwadYlh5jpcsMPZb3PzwN0r3PETr8sMW2yqCOb0zP8G8MWi6+iFJVHIzuBjSiAA==
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

2026-09-17T09:29:46.340198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099747
observed 13e571f20daea69ac0e22d3c4aeda4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.321305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099747/manifest.json
observed 96d8941bc104f0d7d1077db625d708af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.302262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099747/publication.md
observed d8bc4b66550196cb59e7af7508d3d963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.283413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099747/publication.txt
observed df637513bdf6632831837cda2fd34d4a...
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.