OpenTechnical

OT-2026-000055644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055644) never changes.

Identity and time

Publication numberOT-2026-000055644 · never reused
Internal UUID01a0ae86-a103-765d-87bb-bf47c54ea1cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055644
StatusPUBLIC

Content hashes

Canonical text9c208c16e80b75bf16b0c7114dfc596ced69901071d456a8d00b1eb7e375c871
Markdowneb722cdb3731a95cf65e4402bc20ae9bb3693de81bb2c5e957d70816c5b1336c
PDF
Publication page59b411741a3de285f879e53baee3a48825ed0ac5cb71f33e25eeb57062116d38
Manifest06ace1424143f42862c0a2e5f113d06155015a1c2f0e18e39ce9625cf1b482e2

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
Signature9PG0qa/ulkSK3+K/OrNePzIxuMCDAKMsgpSLctaK9jMVGGSKZ2svxKkcMfuV0rTo0LNlfFnEI/BwqxJnGV+DCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:53.893326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055644
observed 59b411741a3de285f879e53baee3a488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.875440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055644/manifest.json
observed 06ace1424143f42862c0a2e5f113d061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.857171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055644/publication.md
observed eb722cdb3731a95cf65e4402bc20ae9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.839610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055644/publication.txt
observed 9c208c16e80b75bf16b0c7114dfc596c...
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.