OpenTechnical

OT-2026-000049228

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-2026-000049228) never changes.

Identity and time

Publication numberOT-2026-000049228 · never reused
Internal UUID01a0ae81-134f-77f3-993f-ef872e5c58ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049228
StatusPUBLIC

Content hashes

Canonical text359e6363c80f9cfcec44093667e4d558fbc2dd4bc8be14b888b4a4de5393adbf
Markdown992b084c1c4663d65f34797721fe47d2261982cdb4a6331d7b2ad2f8ecbb2ff9
PDF
Publication page49198e999e1c95d283530a1ede4e3ad67a3e40668988f428624894301af8c523
Manifesta2ffe6458838320583055d957c547812e0b80142f015ae8257c2213cdc0dcd8a

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
SignatureJuVC0U99tr18hsByO4wEDkO176KHlqfwnjkUntkyT7gq/ycpMOl9qydWx70k/W/NmZigttEDNk5bjkKbh7UfCA==
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

2026-09-17T11:04:03.100327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049228
observed 49198e999e1c95d283530a1ede4e3ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.080825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049228/manifest.json
observed a2ffe6458838320583055d957c547812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.062239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049228/publication.md
observed 992b084c1c4663d65f34797721fe47d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.043017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049228/publication.txt
observed 359e6363c80f9cfcec44093667e4d558...
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.