OpenTechnical

OT-2026-000012983

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000012983) never changes.

Identity and time

Publication numberOT-2026-000012983 · never reused
Internal UUID01a0ae6d-5564-7b19-bee6-8a8928d369bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012983
StatusPUBLIC

Content hashes

Canonical textaca9a0b1592cf98b3addbc82f77bbfee54ce7e2087942d64f0b78153d6d470ee
Markdownea765f4451c984ba5c968908965b7c4e425b48eb4e27c0cc6c4054d8429f0a2b
PDF
Publication page3a5ff74e97703952d02d985bc879abab1ce898c2bcb8b2a9f68e58f918b8f295
Manifestd94b799eb0d6b8378cad481f9eabcb4db89c5d7ba5160188ede303c13b1ad32a

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
SignaturelhWbgFKk4oGeLKH0/gRYsSGuT8/gpfFqUGnXuQoS5jJpb1fFzKmXgRBQVWs+vi1nHEmum6xmdEscgWGbY239AQ==
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

2026-09-17T12:10:47.889197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012983
observed 3a5ff74e97703952d02d985bc879abab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.871773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012983/manifest.json
observed d94b799eb0d6b8378cad481f9eabcb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.852584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012983/publication.md
observed ea765f4451c984ba5c968908965b7c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.834440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012983/publication.txt
observed aca9a0b1592cf98b3addbc82f77bbfee...
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.