OpenTechnical

OT-2026-000102974

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102974) never changes.

Identity and time

Publication numberOT-2026-000102974 · never reused
Internal UUID01a0aea4-be3c-71b2-a446-c763cd897092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102974
StatusPUBLIC

Content hashes

Canonical text4333191c2a8a25f04f7cede975c84507be1e83afe0ea4418b09f152acb9c70bf
Markdownf571aa1bee55e1c4da2171954c72f65f3622fcde849c548cda413d55d00aac41
PDF
Publication pagecb897f8271f45377eb8193305d3688d53d322e2c2f9dbf090c7d992ef991519c
Manifest0dfe21f063996e3f460bd10756bf3e50031e0d5d645f5c69721bf96991d1f792

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
SignatureFekCGa5gBqQ5Ck/bfmBP10mbRfYfipZx+heC34sHwBURg9UIaXFqgdjKM7sUlxnMQ3kcTbkRXT1UUNV2a33ADQ==
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

2026-09-17T09:22:49.445847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102974
observed cb897f8271f45377eb8193305d3688d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.428163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102974/manifest.json
observed 0dfe21f063996e3f460bd10756bf3e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.411769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102974/publication.md
observed f571aa1bee55e1c4da2171954c72f65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.351363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102974/publication.txt
observed 4333191c2a8a25f04f7cede975c84507...
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.