pith. sign in
Pith Number

pith:K6IV3LQY

pith:2015:K6IV3LQYG3HONYLYATWPPMQTUN
not attested not anchored not stored refs pending

At What Distance Can the Human Eye Detect a Candle Flame?

Don Carona, Kevin Krisciunas

arxiv:1507.06270 v1 · 2015-07-22 · astro-ph.IM · physics.pop-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K6IV3LQYG3HONYLYATWPPMQTUN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T01:36:26.270901Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

57915dae1836cee6e17804ecf7b213a34adacecb44752799e82d52e5994a2e21

Aliases

arxiv: 1507.06270 · arxiv_version: 1507.06270v1 · doi: 10.48550/arxiv.1507.06270 · pith_short_12: K6IV3LQYG3HO · pith_short_16: K6IV3LQYG3HONYLY · pith_short_8: K6IV3LQY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K6IV3LQYG3HONYLYATWPPMQTUN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 57915dae1836cee6e17804ecf7b213a34adacecb44752799e82d52e5994a2e21
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "11d36877942308df30ca6062dfff74778a82a43def5da0b5d11a69cf2861c724",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-22T17:56:54Z",
    "title_canon_sha256": "d37e9c657cdfc18ba2f82a9e8a949c93ae6e306152bbbb51e6a6338b38ecd607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06270",
    "kind": "arxiv",
    "version": 1
  }
}