OpenTechnical

OT-2026-000047773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000047773) never changes.

Identity and time

Publication numberOT-2026-000047773 · never reused
Internal UUID01a0ae7f-c420-7039-ab2e-903d529bde46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047773
StatusPUBLIC

Content hashes

Canonical text52ae7dbe5adb22d5e5e0098a959917dfac800d694329d12ce776c6a51d66048d
Markdown6a2e465c072894d55dcd08a9a6758bbb6b8cd30d79d4c22d1ed3cc4086b9e82a
PDF
Publication pageb17a893d98ead6864ab4627bb7dcbc0aa8ad23d6b32cc875ff8a66b53d6dd0bf
Manifest949f1b6294f86f65dfce7d9858f70688798118bfa80dabb3b9701e5c04eb4774

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
SignatureW96RU1Mbhcn6ufTp4qnt6DBUracagsABMhe73aSWX/Po1HHUKS8R7tXDD2Mkq5xsixKq0ammTtWgqBeB4cBVCw==
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

2026-09-17T11:05:39.960231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047773
observed b17a893d98ead6864ab4627bb7dcbc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.941180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047773/manifest.json
observed 949f1b6294f86f65dfce7d9858f70688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.921123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047773/publication.md
observed 6a2e465c072894d55dcd08a9a6758bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.901519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047773/publication.txt
observed 52ae7dbe5adb22d5e5e0098a959917df...
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.