OpenTechnical

OT-2026-000050007

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000050007) never changes.

Identity and time

Publication numberOT-2026-000050007 · never reused
Internal UUID01a0ae81-fd78-7a4c-96e4-a73539582613 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050007
StatusPUBLIC

Content hashes

Canonical text9d734fa8958a3a4fe681a5c6eb79c7f6bd11e9348e8a5649753e484c5c2cd644
Markdown33a2c3a77d18bf2e433a2c97bef741f40127446385287361d034d4c8c3f881b4
PDF
Publication pagebe17ada3e241b17d4ffa8c521908e05a1a5fde0f06cb3560c8417d5175b6b49d
Manifestfd2c3e575ab3ede3358f03fe1e81ff3f685ae505634dc39e4463b045efbee067

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
SignatureRGJqZTjBr3LV8cZKM7MvWZOMerQiwjPlC107e5KxjXBXiAML2Ls4ahsVHr04DpRKgtBIVLGaQGuBdfAXqCR/Ag==
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

2026-09-17T11:01:58.157105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050007
observed be17ada3e241b17d4ffa8c521908e05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.136317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050007/manifest.json
observed fd2c3e575ab3ede3358f03fe1e81ff3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.115681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050007/publication.md
observed 33a2c3a77d18bf2e433a2c97bef741f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.096551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050007/publication.txt
observed 9d734fa8958a3a4fe681a5c6eb79c7f6...
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.