OpenTechnical

OT-2026-000099109

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000099109) never changes.

Identity and time

Publication numberOT-2026-000099109 · never reused
Internal UUID01a0aea2-8287-72fa-8afa-99262e74a447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099109
StatusPUBLIC

Content hashes

Canonical text1a49e316c31acef0e48ddb26afd3c38a4ef72d8035a23a4d469924685debf16e
Markdown06dd961d6314f5d807e695708c57216f2601003c2ab6a45522b1efe20fe2f430
PDF
Publication page7a6cfc0fa57b911cc05faef0ab8ad19217dd85e1174a25633c2051b8e1175f34
Manifest8c772d31caedeab3f80cac4f7247db637f67ab793a8deb17abbf76a234105c7c

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
SignatureKZwRb+8hPwPgKcr8fZu99SLRmBgkNgjo4kjdmAkw+KvA02bcBuoUMGXLsNy6d71gEVHd/JPLzuqt1QPAHt8DCQ==
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

2026-09-17T09:30:21.250971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099109
observed 7a6cfc0fa57b911cc05faef0ab8ad192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.229929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099109/manifest.json
observed 8c772d31caedeab3f80cac4f7247db63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.211130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099109/publication.md
observed 06dd961d6314f5d807e695708c57216f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.191644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099109/publication.txt
observed 1a49e316c31acef0e48ddb26afd3c38a...
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.