OpenTechnical

OT-2026-000082195

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained 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-2026-000082195) never changes.

Identity and time

Publication numberOT-2026-000082195 · never reused
Internal UUID01a0ae97-4d93-7f73-a217-251570a94ce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082195
StatusPUBLIC

Content hashes

Canonical text4df6c45d79c67821adf1d3ec89076325c398df715d43beba42e4ee1610fd4d49
Markdown360f0314f025b261d3c0429617c69ffcc0d260ce8e31df94656c69e336236009
PDF
Publication pagebef290c718ad75e9e7edb1508f76130f0014ba54539e4a25825d7037e883dbd1
Manifest1f4c32ee9029774d7f991cd59647474bec9ce89d4a831248d6521bfbb5cb5332

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
Signature7d3pmF++4zQyAlUyK/UabyEuLlyVMFI3K+rJ155j9RzucPTRDhCyQnGJuTnaa8QE6Es38/owcXZFnAIyFOWPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:01.580481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082195
observed bef290c718ad75e9e7edb1508f76130f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.562738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082195/manifest.json
observed 1f4c32ee9029774d7f991cd59647474b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.544007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082195/publication.md
observed 360f0314f025b261d3c0429617c69ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.526033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082195/publication.txt
observed 4df6c45d79c67821adf1d3ec89076325...
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.