OpenTechnical

OT-2026-000034579

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000034579) never changes.

Identity and time

Publication numberOT-2026-000034579 · never reused
Internal UUID01a0ae76-1ed0-75af-a014-2e75130f19cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034579
StatusPUBLIC

Content hashes

Canonical text9f992af36322786937c53e6dcc3474a6fcca01b73f76441b3c060e9e7af4c2da
Markdown702dd024c6ad165b795478eac0d87557ef1805376bf1b4d7377de24b8f8c5002
PDF
Publication page9010211ac8131867f0fe3285937b8ef42b4f44e99646db82869a2af532616b13
Manifest2caf41f0307f0c6e3d3c66d0411df7482b3524b729e59ff712e42b9e338ce967

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
SignatureCBqvEXLPEJ3vLLIHvF2I9Qpg28wY5vZU4rXrGRnx5o3brKEBB2SK7b+q7qCoGJwjCMvOjeK33vXrjRLVUnEjBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:28:56.951852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034579
observed 9010211ac8131867f0fe3285937b8ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.934456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034579/manifest.json
observed 2caf41f0307f0c6e3d3c66d0411df748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.916724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034579/publication.md
observed 702dd024c6ad165b795478eac0d87557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.898354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034579/publication.txt
observed 9f992af36322786937c53e6dcc3474a6...
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.