OpenTechnical

OT-2026-000061027

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000061027) never changes.

Identity and time

Publication numberOT-2026-000061027 · never reused
Internal UUID01a0ae8b-12f9-7bf4-a7c1-1e910cfb33a0 · 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-2026-000061027
StatusPUBLIC

Content hashes

Canonical text32b2c1db1b4b4053a8cb98fdf552d63f01c06523aebee46a7e600acda3fc9932
Markdownb7a5e59fac25a8fd15d14acf7dc8ce47a826f27c9823ac25b239068c1641fc98
PDF
Publication page11e37caaff7cb81fc8262a0b1a1923b87954871683350f8314e2774994f1e2f5
Manifest8b6a10cf98a1d6f6bfa22812a00d139e0009b466487cd30daeb5c307734e5028

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
SignatureHu8pKXDa0USJwXQrlLcljgH2IBf0WiTaSI6YGj44qzHwaKU/KwmyqJRg+YjlNkzPwoOdfDW3FY8NchV2/7mcDA==
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

2026-09-17T10:42:22.495884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061027
observed 11e37caaff7cb81fc8262a0b1a1923b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.475874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061027/manifest.json
observed 8b6a10cf98a1d6f6bfa22812a00d139e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.458841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061027/publication.md
observed b7a5e59fac25a8fd15d14acf7dc8ce47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.440591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061027/publication.txt
observed 32b2c1db1b4b4053a8cb98fdf552d63f...
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.