Pith Number

pith:66IRCUFN

pith:2015:66IRCUFNWVAWP76RR54BZZZATC

not attested not anchored not stored refs pending

Absolute absorption on the potassium D lines:theory and experiment

Ifan G. Hughes, Philip D. Gregory, Ryan K. Hanley, Simon L. Cornish

arxiv:1506.06651 v1 · 2015-06-22 · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66IRCUFNWVAWP76RR54BZZZATC}

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	2026-05-18T01:31:13.583953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7911150adb54167ffd18f781ce720989d1b6b3f9f371783d023a4620c03d115

Aliases

arxiv: 1506.06651 · arxiv_version: 1506.06651v1 · doi: 10.48550/arxiv.1506.06651 · pith_short_12: 66IRCUFNWVAW · pith_short_16: 66IRCUFNWVAWP76R · pith_short_8: 66IRCUFN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/66IRCUFNWVAWP76RR54BZZZATC \
  | 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: f7911150adb54167ffd18f781ce720989d1b6b3f9f371783d023a4620c03d115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb7b9f3874fb332eabded691ae2a66aad3ee800b744eb7562b96e830d89ed94",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-06-22T15:31:06Z",
    "title_canon_sha256": "c4af08335754a8385823d30301e31501eb45b2ca47c791ae96755e79105dbfd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06651",
    "kind": "arxiv",
    "version": 1
  }
}