OpenTechnical

OT-2026-000059143

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line 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-2026-000059143) never changes.

Identity and time

Publication numberOT-2026-000059143 · never reused
Internal UUID01a0ae89-8612-7b8d-a4e8-96384ab5981c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059143
StatusPUBLIC

Content hashes

Canonical text1f4da464d8ec129bc17a577e9077b73dec4c5e6feb829d99f3e8baa713e29c52
Markdown7224a85453ebb5708d0a9e88fa9b5b7b57e061554ad8644e768dc6f7ce0cece9
PDF
Publication page66d684f284fb9ae0f7aa6171778114f84bb964bef9a2b84b23f66bf630aa482c
Manifest6ff32abefc40213232a15ddbfcb86e927af76db95d90e1cc828c841206099b5a

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
Signature0Mi8flI7G67LHfU2DH7S45bNGnu/hKRaH+qoxhT35xQ4SECIpfOovi7djaAcNZeeVPXo9DyeVSa7RWDZMnMICA==
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

2026-09-17T10:45:05.499618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059143
observed 66d684f284fb9ae0f7aa6171778114f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.480841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059143/manifest.json
observed 6ff32abefc40213232a15ddbfcb86e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.461593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059143/publication.md
observed 7224a85453ebb5708d0a9e88fa9b5b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.442719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059143/publication.txt
observed 1f4da464d8ec129bc17a577e9077b73d...
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.