OpenTechnical

OT-2026-000087202

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000087202) never changes.

Identity and time

Publication numberOT-2026-000087202 · never reused
Internal UUID01a0ae9a-9f2e-77ac-89d2-a9fc9ac79ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087202
StatusPUBLIC

Content hashes

Canonical textfadbf8632bc28f40064fdb0c6eb55436d9e7bdced8a3a1cc8ae3cfcb9608ed9f
Markdown426c8c4290db0cb83f037debafe6ee9a0c906912b850cf45c74a75932c85183b
PDF
Publication page35a6510dbc0efd537476f9582eb32c60d95eeb3473c3924cc4b09f1cb964e368
Manifestdb38bc5538e131a29e28aaeb22458fa4506acb821b4f8e3ac1bf3f4b8ad3f6df

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
Signaturef/KGeauJoIpppVMBm7K0sSXseF5I1HFF3K3wB6RTRlsOsIOiBcWnmDHJ8Q13PBwAsA+bXyvzn2r0ouh7HndJAA==
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

2026-09-17T09:51:28.795798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087202
observed 35a6510dbc0efd537476f9582eb32c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.779321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087202/manifest.json
observed db38bc5538e131a29e28aaeb22458fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.760956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087202/publication.md
observed 426c8c4290db0cb83f037debafe6ee9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.742442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087202/publication.txt
observed fadbf8632bc28f40064fdb0c6eb55436...
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.