OpenTechnical

OT-2026-000011720

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000011720) never changes.

Identity and time

Publication numberOT-2026-000011720 · never reused
Internal UUID01a0ae6d-1940-7eea-88c0-e37b892f991f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011720
StatusPUBLIC

Content hashes

Canonical textddb2da96b4b3a30117088d5ea4f202449b93589dd36c65bccca50f4d6cc98a5f
Markdown83759043b29fa16805ca9d3e76061eb1565961492ac37038ca65b8814a77447f
PDF
Publication page2d808c110b68c952f7d1ab77bb57b6f1e35c8c5d85ad6b2c03e357e930d6c493
Manifest34d8cbf534119c1750cb7e2b830dbcfc96165dea9f6ed9c86807d1773debdade

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
Signature9/0RVKO11Msg1H1posXS/fxZF23JZdAwWTl2CAxh9leTaW1IuRbjaH98k34Y2VMSPpwL06eVGL9OzBiSuJuQBQ==
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

2026-09-17T12:12:20.017449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011720
observed 2d808c110b68c952f7d1ab77bb57b6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.995978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011720/manifest.json
observed 34d8cbf534119c1750cb7e2b830dbcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.977283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011720/publication.md
observed 83759043b29fa16805ca9d3e76061eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.957207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011720/publication.txt
observed ddb2da96b4b3a30117088d5ea4f20244...
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.