OpenTechnical

OT-2026-000049252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000049252) never changes.

Identity and time

Publication numberOT-2026-000049252 · never reused
Internal UUID01a0ae81-134f-76d3-857a-14d7629c13fa · 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-2026-000049252
StatusPUBLIC

Content hashes

Canonical textc344c28d38070206f745fd89503238e6b74c344bde8e0976a70f88f91108fd72
Markdown062518fde0f293983a565ea02de3bead7249d6f9dbd32f84763f4c8f9d97a102
PDF
Publication pagefad412cfbc93c850e8afaca822e9bf67493b05edc5711f9d3d6ff04c221751e8
Manifest5d810c215ce3287e3c4ce20ebdf41d9eea4e053a3e6a38deeaf4242cbcf6b069

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
SignaturefrFDQ3wMybvcA8YX+R1hqiuz+JwHWVGjB5bXePrRqHNVOfVZxEPUK4gl765Z6uVmdhpah57loQPssQtiCqxHDg==
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

2026-09-17T11:04:05.958426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049252
observed fad412cfbc93c850e8afaca822e9bf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.938747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049252/manifest.json
observed 5d810c215ce3287e3c4ce20ebdf41d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.918847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049252/publication.md
observed 062518fde0f293983a565ea02de3bead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.897461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049252/publication.txt
observed c344c28d38070206f745fd89503238e6...
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.