OpenTechnical

OT-2026-000010243

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, vented 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-2026-000010243) never changes.

Identity and time

Publication numberOT-2026-000010243 · never reused
Internal UUID01a0ae6b-cb7b-7fd8-ab20-e34f99665254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010243
StatusPUBLIC

Content hashes

Canonical textcbbaccd7c9e47a365546e89b2f1648a6efab45e01a78aa8911a6701125e89ac1
Markdown7c29cfd88c094be8ac941def87b365b996129ef1d64cc152e9143755404d115f
PDF
Publication pageab55f5681780cda48e63cc92e8e1b27f49a73dba9d77ad3af5571bee09d1c4ff
Manifestcdb7952ce9f419d73c4e8069e14151276e2521582ec7a0cefbcab3e08a3900cc

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
SignatureJBqB0opQ9IhpFK3h7hCBd6Nnhek9G8DeFDmlV1LDXYXJK1Tyq2I4/X0ZzwtVLNdpt5TlTLpXRQMWBuw1No3WCQ==
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

2026-09-17T12:16:22.649382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010243
observed ab55f5681780cda48e63cc92e8e1b27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.629985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010243/manifest.json
observed cdb7952ce9f419d73c4e8069e1415127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.612268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010243/publication.md
observed 7c29cfd88c094be8ac941def87b365b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.591719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010243/publication.txt
observed cbbaccd7c9e47a365546e89b2f1648a6...
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.