Pith Number

pith:ZTEVVY5E

pith:2006:ZTEVVY5EAYRSZ3FGQLJZ7TML4I

not attested not anchored not stored refs pending

Revision of VLT/UVES constraints on a varying fine-structure constant

2), (2) Institute of Astronomy, (3) University of New South Wales, Australia, Australia), John K. Webb (3), Melbourne, Michael T. Murphy (1, Sydney, UK, University of Cambridge, Victor V. Flambaum (3) ((1) Swinburne University of Technology

arxiv:astro-ph/0612407 v3 · 2006-12-14 · astro-ph · hep-th · 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{ZTEVVY5EAYRSZ3FGQLJZ7TML4I}

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	2026-07-04T15:28:39.694612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc95ae3a406232ceca682d39fcd8be2237d9952193eaf38dcac0c3f0c8c7dc4

Aliases

arxiv: astro-ph/0612407 · arxiv_version: astro-ph/0612407v3 · doi: 10.48550/arxiv.astro-ph/0612407 · pith_short_12: ZTEVVY5EAYRS · pith_short_16: ZTEVVY5EAYRSZ3FG · pith_short_8: ZTEVVY5E

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/ZTEVVY5EAYRSZ3FGQLJZ7TML4I \
  | 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: ccc95ae3a406232ceca682d39fcd8be2237d9952193eaf38dcac0c3f0c8c7dc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65408f720419a83e3944eed14d5d3dc630fd21b694ea1d522e2125a714934fa6",
    "cross_cats_sorted": [
      "hep-th",
      "physics.atom-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-14T21:00:06Z",
    "title_canon_sha256": "3ce4cc92474333a84677ba6e59a91a46ec186cb180d85dac37f510652ccf667e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612407",
    "kind": "arxiv",
    "version": 3
  }
}