OpenTechnical

OT-2026-000056984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000056984) never changes.

Identity and time

Publication numberOT-2026-000056984 · never reused
Internal UUID01a0ae87-d5b5-747d-bb61-1a633ba10c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056984
StatusPUBLIC

Content hashes

Canonical textb7ec07e277c8ca3c25d728175a9ddf166572e865a1710fe8261a76a48d250cf2
Markdownac75cdc4712bb9ed0f864e0c5daba7587e02b72959b1da56f65bc5810cb4176b
PDF
Publication page4044aa094d466032fe048a6823e43c8e104ba1d7e02d23dbb8ef08eef05a1e08
Manifest3af148d74f9a31a3688019bf1bbb8e71ee9474e84f4693400e7fe8920f1c3ab0

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
Signaturegn6tU+HCMWnri73yH3RJl5dAJL7M9ecoXhvKcqAMoCknS64PBMYFCufg1u+sPx0XYHNZjT6P9P2gx3kAzHe7AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:27.173707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056984
observed 4044aa094d466032fe048a6823e43c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.154974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056984/manifest.json
observed 3af148d74f9a31a3688019bf1bbb8e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.136686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056984/publication.md
observed ac75cdc4712bb9ed0f864e0c5daba758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.118053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056984/publication.txt
observed b7ec07e277c8ca3c25d728175a9ddf16...
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.