OpenTechnical

OT-2026-000058180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000058180) never changes.

Identity and time

Publication numberOT-2026-000058180 · never reused
Internal UUID01a0ae88-6edb-788c-a7e2-461c62a4399d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058180
StatusPUBLIC

Content hashes

Canonical texteef82363c5d8f9124e3e282201212c0d28c7ce05c54815c1cd0f992f5798e7df
Markdown8aeb4cbb607b82bd47b74c4746d28506e4f7f67661505b2b55f628d34c97d1f6
PDF
Publication pagecec9c12f74220ca971d8770126945836b8ff43f44b86ac462b1b39029ad9136e
Manifestc1e6f249a2b97479d9cd6afd7c62fc1c9af3a46d0298963fcb69fead18b0a6cd

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
Signature3Ad5gvSXdZZbxwEoTwo427oZzgzN342pyOBWPPt3CjKubmPzjbpqMM8j4Hy0MrXVF3LovnMtaek6/Z9Y7HOACw==
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

2026-09-17T10:47:50.468699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058180
observed cec9c12f74220ca971d8770126945836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.448553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058180/manifest.json
observed c1e6f249a2b97479d9cd6afd7c62fc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.429635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058180/publication.md
observed 8aeb4cbb607b82bd47b74c4746d28506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.407406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058180/publication.txt
observed eef82363c5d8f9124e3e282201212c0d...
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.