OpenTechnical

OT-2026-000095661

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000095661) never changes.

Identity and time

Publication numberOT-2026-000095661 · never reused
Internal UUID01a0ae9f-fac4-78c5-a6b5-3c34dbd5badc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095661
StatusPUBLIC

Content hashes

Canonical text129175d44df878edd7da4e37f4a8459f57754e357637cbfaecb121c836953c79
Markdown69890d882b82646fe637a2528ec8ee51a4e7d06f6682b7f30147c668a329f8ee
PDF
Publication pagee31f6197827d0af5b61343c86f87276afb19d0116e9aa74d30de90ab1674ca4e
Manifest4c81f9cc0465dbd3fb626744824dd6fcdfc469d18c54bfb24a0d05acc41a6ab8

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
Signaturezrb558p40dat7/XaFYW/UpBkPjEQcFB51gPi5TrAQpncyK0+JxFlYvrrLsPT/XjjZ19UPLbZGVlP/YBYL3FvBQ==
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

2026-09-17T09:35:07.881507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095661
observed e31f6197827d0af5b61343c86f87276a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.862407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095661/manifest.json
observed 4c81f9cc0465dbd3fb626744824dd6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.814085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095661/publication.md
observed 69890d882b82646fe637a2528ec8ee51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.764107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095661/publication.txt
observed 129175d44df878edd7da4e37f4a8459f...
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.