OpenTechnical

OT-2026-000063748

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000063748) never changes.

Identity and time

Publication numberOT-2026-000063748 · never reused
Internal UUID01a0ae8c-f946-7a87-ac40-58a96f0a8153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063748
StatusPUBLIC

Content hashes

Canonical text5758cb2799caaf85a7f9c0fbf1619a678eaa91803a22177fc26155830d0e0fa8
Markdowncc93bc45e328d340a8d42784ac056ef5127462eaa74ea4ff6bc386a35477c78d
PDF
Publication page1f23ea7a4077f880a2dda03e65ccb66057ee10a1f47c108bf5b0de8e35547ce6
Manifest39115d6810d098b9d0e8233b678f5f9b1df64373d36ac7d043860b8bd595115f

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
SignaturemIjAPqTxsgyR1NVYLBZSEADFe0sOgzT9miz8+1INFv8b10FvV1ZuhK8ftVxxWcgbvY14tfkR+uHx0m9yniSNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:52.928301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063748
observed 1f23ea7a4077f880a2dda03e65ccb660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.910019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063748/manifest.json
observed 39115d6810d098b9d0e8233b678f5f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.890589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063748/publication.md
observed cc93bc45e328d340a8d42784ac056ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.869970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063748/publication.txt
observed 5758cb2799caaf85a7f9c0fbf1619a67...
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.