OpenTechnical

OT-2026-000087676

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087676) never changes.

Identity and time

Publication numberOT-2026-000087676 · never reused
Internal UUID01a0ae9a-cd54-725e-80d7-c6188674c0e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087676
StatusPUBLIC

Content hashes

Canonical text2ccff6d3138781a78679c015b4e8ef1ebf88fc94fe1d7aa9db1d44dd13bfe907
Markdown3a4c43108a68d964cf1dc771ba2fbe40bf7cd6bfa0339a0ba9a374670af42d14
PDF
Publication page9208791b506426124d51af19b538ac548e5d440910aa2662a620269393bdd14c
Manifest3010e25ce296704d7df2e70ce567bc56e196a09ca9c508c70afaf508c8c5b930

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
Signature3cjtxwVzM7v8LUNYy6NEzHpNFT8VQipnDXO0+RtIx2NX2gQ3kbhxRTmmQ63M07GYSTIanLtn7ChMRAYPCHPFCg==
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

2026-09-17T09:51:07.392281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087676
observed 9208791b506426124d51af19b538ac54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.375898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087676/manifest.json
observed 3010e25ce296704d7df2e70ce567bc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.360060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087676/publication.md
observed 3a4c43108a68d964cf1dc771ba2fbe40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.345138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087676/publication.txt
observed 2ccff6d3138781a78679c015b4e8ef1e...
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.