Pith Number

pith:ZDWCGVBC

pith:1997:ZDWCGVBCQZRZG57R6RA2PVROQ2

not attested not anchored not stored refs pending

Fe I line shifts in the optical spectrum of the Sun

C. Allende Prieto, R. J. Garcia Lopez (Instituto de Astrofisica de Canarias)

arxiv:astro-ph/9710066 v1 · 1997-10-07 · astro-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{ZDWCGVBCQZRZG57R6RA2PVROQ2}

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	2026-07-04T16:03:17.203149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ec23542286639377f1f441a7d62e8690338bd72ccb091ac4ac4fe734b1f5e4

Aliases

arxiv: astro-ph/9710066 · arxiv_version: astro-ph/9710066v1 · doi: 10.48550/arxiv.astro-ph/9710066 · pith_short_12: ZDWCGVBCQZRZ · pith_short_16: ZDWCGVBCQZRZG57R · pith_short_8: ZDWCGVBC

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/ZDWCGVBCQZRZG57R6RA2PVROQ2 \
  | 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: c8ec23542286639377f1f441a7d62e8690338bd72ccb091ac4ac4fe734b1f5e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88fe57558815dd1bfb7c4e1b53fa374978109ad9499aec29e728075d726b7dba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-07T12:06:46Z",
    "title_canon_sha256": "fb8e07e29a531923f5b76bf713c1e796f1cae37255d9969a3340c021dc742530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710066",
    "kind": "arxiv",
    "version": 1
  }
}