OpenTechnical

OT-2026-000061033

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061033) never changes.

Identity and time

Publication numberOT-2026-000061033 · never reused
Internal UUID01a0ae8b-137d-79d5-90d4-17ad2795bea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061033
StatusPUBLIC

Content hashes

Canonical textb4112afeeba68f330f9ec5d59d3c3eaf418690a05a1e1e70449e478fc3fa9ec3
Markdownf56d487fd3f52c9262a9187691ab04827db0e53f48f025a4548a5cf445375a81
PDF
Publication page72a102e350adf459eac938d8b80228600cd157496b9b28d2e5498150b3986f25
Manifest254122c59035ea5c0c98e2cbe09ec2cc38b7985a5f23f825f4f4c735ff713c8e

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
SignatureTXWTmKvXWO6XKAxAbAVUhfWSXFuDgFwWgdqeP4o5QFCsv/kExhIKQvs4bwkhDTaJh9H+Eo4Uf2JY/ppsUTZ+Bg==
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

2026-09-17T10:42:22.955326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061033
observed 72a102e350adf459eac938d8b8022860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.935673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061033/manifest.json
observed 254122c59035ea5c0c98e2cbe09ec2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.917308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061033/publication.md
observed f56d487fd3f52c9262a9187691ab0482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.898507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061033/publication.txt
observed b4112afeeba68f330f9ec5d59d3c3eaf...
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.