OpenTechnical

OT-2026-000007518

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000007518) never changes.

Identity and time

Publication numberOT-2026-000007518 · never reused
Internal UUID01a0ae62-4df5-770c-bb43-90d809785c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007518
StatusPUBLIC

Content hashes

Canonical text1946a1bebae61666c277aeed95cd3e079fd5ee04f65af119262ee84adbd09b94
Markdown5432ae10aecba5f7dcaa77d2c05ff289baa1ec1f8ad64b42de439153911afbde
PDF
Publication page7eabacbd3e3714cac175c525f6940d217237900e694ef56765262bf48a52613d
Manifest447c8e21e4b62cad00652a29c28abe7609d8a3ad44ff4176a4c83dc7ec9aa24b

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
SignatureZGGp0AZbz9mPge4PE3DkslNrODnuocAPYyu2gJBsTBFzsfZsXw/xKqCTgk0J3JjVeAByEQWf9l+BGCglx6u2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:21.452476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007518
observed 7eabacbd3e3714cac175c525f6940d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.434915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007518/manifest.json
observed 447c8e21e4b62cad00652a29c28abe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.417393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007518/publication.md
observed 5432ae10aecba5f7dcaa77d2c05ff289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.399250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007518/publication.txt
observed 1946a1bebae61666c277aeed95cd3e07...
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.