OpenTechnical

OT-2026-000029818

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029818) never changes.

Identity and time

Publication numberOT-2026-000029818 · never reused
Internal UUID01a0ae73-5e25-7316-930a-0933a5b15ef4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029818
StatusPUBLIC

Content hashes

Canonical text836b61641dd9f2db3ebbac43b3b2aef3ef50081f1b9b97f502cb80a784227062
Markdown00fd1555311d7338569526716b3ce076fdf2e6586116185bf7837e9ca3612f89
PDF
Publication pageb2c109fa89824a67d30f7c4749f8f8118b10c42f67e397fbcfbebaebc9997556
Manifestf1f6bd27b928e2d170cb3e208c1997ce820621e5e36862a6c099606147ab8407

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
SignaturemG1MCctkqQnGVtg8bKbswV2wTmDmfVOh+a+ajY/PNEUXTcFGnLMiTrKTeMkjerOGCbcdHBXW6nBdc32lamkrCA==
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

2026-09-17T11:39:35.451685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029818
observed b2c109fa89824a67d30f7c4749f8f811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.432242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029818/manifest.json
observed f1f6bd27b928e2d170cb3e208c1997ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.413441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029818/publication.md
observed 00fd1555311d7338569526716b3ce076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.393046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029818/publication.txt
observed 836b61641dd9f2db3ebbac43b3b2aef3...
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.