OpenTechnical

OT-2026-000027814

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000027814) never changes.

Identity and time

Publication numberOT-2026-000027814 · never reused
Internal UUID01a0ae72-a4a5-78db-979f-23b3840f9b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027814
StatusPUBLIC

Content hashes

Canonical textb35a9dd0d4e424f1f14e855e619b180a88ddfe10df40c0edefdb205e5e86436a
Markdown403af42f7ff24f6e70fc89a75f7ce4149fe0a2bfd91ee0f9fe8395d00afafbe7
PDF
Publication page5a16019261b09e496cf4b6def6c43c16deb791f0c3cb2ff1c22bdb0446ed1ca1
Manifest2ed8db930ff9be48f03b969751f5997c1f65f1afd95d859c345c4b5d4d176b20

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
SignatureVwcU5ZvNSi8d+5BjqEFHUK3b7vNmwH+fmWI3YEsA1/Qg8W4Sv8MgFMX73JVbcTAyEUfe3FEFV8uzJGuJENCoAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:51.886550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027814
observed 5a16019261b09e496cf4b6def6c43c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.867041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027814/manifest.json
observed 2ed8db930ff9be48f03b969751f5997c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.849108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027814/publication.md
observed 403af42f7ff24f6e70fc89a75f7ce414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.829287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027814/publication.txt
observed b35a9dd0d4e424f1f14e855e619b180a...
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.