OpenTechnical

OT-2026-000099515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099515) never changes.

Identity and time

Publication numberOT-2026-000099515 · never reused
Internal UUID01a0aea2-c974-7f45-bcca-eda0bb8cc309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099515
StatusPUBLIC

Content hashes

Canonical text0f7156a6f5dc85f0592ee8cfb849550b2d01a509e6cbafb8f9523666265190d4
Markdown389db3e2821416a416fbb307229a3cb336fa2a91b44739996dc423afa97ea5fe
PDF
Publication pagea37e8e93cf294dc708b383a6fb30517100897c09058a170f9ede35d36fe6e6a3
Manifest4bde4088936c56a931076d37c1b0a271aeb5564725c4e70b118532ce2d0fa6d8

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
Signature082qs27G1oa8+cN5s1RWQ7wZHae9fbfTF6kNG1P+M8tT341wQLoT7rV4TNy0IkMPlT962yFihWIYuZFO/rl0BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:24.709280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099515
observed a37e8e93cf294dc708b383a6fb305171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.691446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099515/manifest.json
observed 4bde4088936c56a931076d37c1b0a271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.674158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099515/publication.md
observed 389db3e2821416a416fbb307229a3cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.654545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099515/publication.txt
observed 0f7156a6f5dc85f0592ee8cfb849550b...
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.