Pith Number

pith:E5C4OFYO

pith:2013:E5C4OFYOX3IMRJCJ6LX5TE4GEY

not attested not anchored not stored refs pending

ROBOSPECT: Automated Equivalent Width Measurement

Christopher Z. Waters, Julie K. Hollek

arxiv:1308.0757 v1 · 2013-08-03 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5C4OFYOX3IMRJCJ6LX5TE4GEY}

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

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	2026-05-18T01:48:24.178422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2745c7170ebed0c8a449f2efd993862620b4ffe7d5ada463ceb5408b7e06fb5c

Aliases

arxiv: 1308.0757 · arxiv_version: 1308.0757v1 · doi: 10.48550/arxiv.1308.0757 · pith_short_12: E5C4OFYOX3IM · pith_short_16: E5C4OFYOX3IMRJCJ · pith_short_8: E5C4OFYO

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/E5C4OFYOX3IMRJCJ6LX5TE4GEY \
  | 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: 2745c7170ebed0c8a449f2efd993862620b4ffe7d5ada463ceb5408b7e06fb5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf09d4fb4b1663574cf86a0ad66e2b8eac64f2d2b0cc8b18822ca3045ecca231",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-08-03T22:57:34Z",
    "title_canon_sha256": "0dd04689ead32867737e881638c6ba2d1aa3503b6ba971fe9654a966caca8e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0757",
    "kind": "arxiv",
    "version": 1
  }
}