OpenTechnical

OT-2026-000041213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000041213) never changes.

Identity and time

Publication numberOT-2026-000041213 · never reused
Internal UUID01a0ae79-b143-7205-a263-4e2d66a163e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041213
StatusPUBLIC

Content hashes

Canonical textfd8fc15423ccd1454020a8c4539f9cba539bb0e8263df578ddc0b63d790c5cad
Markdown35143b76ca62ff66f231f935df988cbcc225a854d68132b74a455930a129c643
PDF
Publication page75e4834d7a34fd095111cac760a893664ecec59044b71da59205d3300ac0b9bd
Manifest1331eda0a3064da522a71320c21c5d95da9fe7025e7de8fa8659d149491871de

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
SignatureZRbAPdQAbxR5+Yw72jOrKm79NR2Ow3PwZO8L2j5h1fEQFoQHRvl0FW4KUEeR159nbLCWp8wnGv/P3LAdvUMABA==
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

2026-09-17T11:17:10.415810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041213
observed 75e4834d7a34fd095111cac760a89366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.398364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041213/manifest.json
observed 1331eda0a3064da522a71320c21c5d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.376223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041213/publication.md
observed 35143b76ca62ff66f231f935df988cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.337381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041213/publication.txt
observed fd8fc15423ccd1454020a8c4539f9cba...
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.