OpenTechnical

OT-2026-000050503

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000050503) never changes.

Identity and time

Publication numberOT-2026-000050503 · never reused
Internal UUID01a0ae82-5c49-7473-9834-8b8039acdf34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050503
StatusPUBLIC

Content hashes

Canonical text910b1ab61268bf859ed6f4f16135390bba3aa4a64951d331eeb0356824c395f0
Markdown3f49cf2ab7b5d297c518370d37706d512f17653eb246274964179a3ac7b528cd
PDF
Publication page8455a5279abf0c24d02da0cd3f89dcfc2d94482c7f81547e2f8e8ad099219096
Manifestd7da7c97a321aa9ffa46c0e61628d7fdf14e00892b058125735eeb7b31e4de36

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
Signature6pYH7etzyaAXTxD8jlLcDEzfuSKwJ3mX2mL2PggIcAv+u/FXl/CBNhoPoLRdJ0d5sruQJhKQAvjo4VIwilsiBg==
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

2026-09-17T11:01:33.648796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050503
observed 8455a5279abf0c24d02da0cd3f89dcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.631534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050503/manifest.json
observed d7da7c97a321aa9ffa46c0e61628d7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.612279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050503/publication.md
observed 3f49cf2ab7b5d297c518370d37706d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.594748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050503/publication.txt
observed 910b1ab61268bf859ed6f4f16135390b...
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.