OpenTechnical

OT-2026-000051645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000051645) never changes.

Identity and time

Publication numberOT-2026-000051645 · never reused
Internal UUID01a0ae83-7c82-758f-8389-f71c1560225b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051645
StatusPUBLIC

Content hashes

Canonical textd040663b2c05085c020b5fa1dee6fc22c69a327ae78f52487d9f2335af590e22
Markdowna4946b4021b06dc30cbdfcd35c411229990f87534515c8a779444a7861cd7972
PDF
Publication page577909bcf44ead968bf1af0b27ae7004e324f86b4b6dc8fe540ace0931dc0a86
Manifest51aaaa81dc8adf0c55a98ec7e263af5e46cdd4eb54139ef524c408e78af6912c

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
SignatureTahopH5xvX1e4+NbFRqxm8haPhTsyZdSdYAYw6PyCvqOiOIvrfTMA9hboDE1D5v2HliAmEdQG1305go0sJXrCQ==
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

2026-09-17T10:58:30.485858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051645
observed 577909bcf44ead968bf1af0b27ae7004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.446704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051645/manifest.json
observed 51aaaa81dc8adf0c55a98ec7e263af5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.425269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051645/publication.md
observed a4946b4021b06dc30cbdfcd35c411229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.384455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051645/publication.txt
observed d040663b2c05085c020b5fa1dee6fc22...
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.