OpenTechnical

OT-2026-000019516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000019516) never changes.

Identity and time

Publication numberOT-2026-000019516 · never reused
Internal UUID01a0ae6e-f393-7f17-a651-19c8287e64d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019516
StatusPUBLIC

Content hashes

Canonical text9daf3339568d9002925b921f9855085623ee06bfcda468329d1cd01ae790a076
Markdown5f49398f2e9957291d84aa1ac45be6ba8a0e42708a8af066d222cdd43341a296
PDF
Publication page97de8e53b6034ffeca0c85ecccd29a2438ea36a245fb5bb0ec7f8fdf2a773fdf
Manifest07652c4cc5aeccb398283ddeacfa5c1a1c42348fa477985eedd7d6f5dae7230c

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
SignatureE3SSDCT+nEVIjdzcOVqXcD8AL5o9rFI3p0DxpQMDjtR/yEVbGs8IYWlX8gClM+YU2o2zIRZHqQd5auC4+CX+Dg==
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

2026-09-17T11:58:57.015538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019516
observed 97de8e53b6034ffeca0c85ecccd29a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.997462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019516/manifest.json
observed 07652c4cc5aeccb398283ddeacfa5c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.979205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019516/publication.md
observed 5f49398f2e9957291d84aa1ac45be6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.959529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019516/publication.txt
observed 9daf3339568d9002925b921f98550856...
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.