OpenTechnical

OT-2026-000059520

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000059520) never changes.

Identity and time

Publication numberOT-2026-000059520 · never reused
Internal UUID01a0ae89-8619-7db8-bafb-6d334ba3640b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059520
StatusPUBLIC

Content hashes

Canonical text09cdf36d695452a6c55e30b714506bd1b2e4904ab06bab17f38d1843d41804e7
Markdown16675e2e5aacac501caef58511b71737a2c3a82044f8ffb2fdacd71537e637ca
PDF
Publication pageb95005da7b5f934365dadd67225bcfba11aa92144c1acb128851f240cf1deddb
Manifest11c6bdc5e8c3ea1f719f5b6a32a7829f2cf8c347f6e46614b62a1119e82266c7

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
SignaturetpCL1OlAfplQEK51hH4IDKre0JfIj5mu/HEOPNKqWlkvCKFzPdS5Z9tO/eb3v5CmUdj0DTrb2x6PI/iUq7vWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:14.369617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059520
observed b95005da7b5f934365dadd67225bcfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.349832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059520/manifest.json
observed 11c6bdc5e8c3ea1f719f5b6a32a7829f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.328419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059520/publication.md
observed 16675e2e5aacac501caef58511b71737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.310214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059520/publication.txt
observed 09cdf36d695452a6c55e30b714506bd1...
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.