OpenTechnical

OT-2026-000098756

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000098756) never changes.

Identity and time

Publication numberOT-2026-000098756 · never reused
Internal UUID01a0aea2-42af-72c3-8599-8835b4c7dbab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098756
StatusPUBLIC

Content hashes

Canonical textcf140c4e251928fa30341121f3cb46b390a583957fdbbf660c2ea454ef86ce95
Markdown0f6e78bd38459959cd00e86e558942a67b2273a7a4558624653b122f28e1057b
PDF
Publication pagedc4261044eae2331c6e2d37d70c9d7338822b5ca918dcf32cbbbe96389300c10
Manifest7d683bac35ef2d7c914c43f4a559d807e4c9804240ab3b7e8cea9ed8911cec8e

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
Signature0ORlaR7zKfT3i4WvxH5bB8gHnNUBA05lUAiM8pcb1UTbj8DCxTnjzAHEHTNQ/Z+PJb5LR0wD/d3m6gWXkdCuBQ==
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

2026-09-17T09:31:04.496160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098756
observed dc4261044eae2331c6e2d37d70c9d733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.480452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098756/manifest.json
observed 7d683bac35ef2d7c914c43f4a559d807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.464607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098756/publication.md
observed 0f6e78bd38459959cd00e86e558942a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.449119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098756/publication.txt
observed cf140c4e251928fa30341121f3cb46b3...
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.