OpenTechnical

OT-2026-000100737

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100737) never changes.

Identity and time

Publication numberOT-2026-000100737 · never reused
Internal UUID01a0aea3-66f4-7386-855d-c05b4b6e81bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100737
StatusPUBLIC

Content hashes

Canonical text9ff2a552b8698dea57ba28c4ac8dc1d79327accf34499937c299ef27d0ba63e0
Markdown77782d18d92e29d3dfd6aca40daac6c182010ee1db9cd3e6fa21332e5a411dc0
PDF
Publication page5ff4111873e981ee1c34b439a0832aa68fb83d79c9a1f55e8887af18172b5f9c
Manifest64c1fe813c1f631ab8d32cf6d8756e91e32499097c82ad5995da2e702f932edb

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
SignaturebGbvHlCuyHBD3ICJkIovPOXd2eFvFp1vJyzMfQkdUtP6SzPJR3fAGYRQHwe8Z7MNeAneSK+LLqedPtGegDl/CQ==
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

2026-09-17T09:27:34.163611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100737
observed 5ff4111873e981ee1c34b439a0832aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.146254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100737/manifest.json
observed 64c1fe813c1f631ab8d32cf6d8756e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.128847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100737/publication.md
observed 77782d18d92e29d3dfd6aca40daac6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.110483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100737/publication.txt
observed 9ff2a552b8698dea57ba28c4ac8dc1d7...
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.