OpenTechnical

OT-2026-000040579

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000040579) never changes.

Identity and time

Publication numberOT-2026-000040579 · never reused
Internal UUID01a0ae79-6d0d-7c11-8b2e-b12fe8551e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040579
StatusPUBLIC

Content hashes

Canonical textb051288f2937ce3a7b75d1265842be58ffbaa6a1294f8a1fc93868ccbd0526ed
Markdown737b4b7814022a2413ecc27e26d0bd7a5323a439cc2748d08efc98151df5bb64
PDF
Publication page7390e3c6f8f57c04da2ef34f119b083c6d4115a9e0b82c687916feccf53e068e
Manifest4c3823ffe479c7d20c8a8949b2f98fe7f2c3560ccc96fdbd347d45a12501478d

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
SignatureRoOxJBKZfwgk5hZfyWeD3vhJEWjhFMdTLInl2PY0SiE6ww7G+KkGnp89x51MHimQm1PES+EBc441GDqzxm0cCA==
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

2026-09-17T11:17:44.750315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040579
observed 7390e3c6f8f57c04da2ef34f119b083c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.730831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040579/manifest.json
observed 4c3823ffe479c7d20c8a8949b2f98fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.712010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040579/publication.md
observed 737b4b7814022a2413ecc27e26d0bd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.694367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040579/publication.txt
observed b051288f2937ce3a7b75d1265842be58...
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.