Pith Number

pith:RUN7SXQA

pith:2003:RUN7SXQAWZ5Z5GU4G6GGDEBFTC

not attested not anchored not stored refs pending

An unusual high-ionization nebula in NGC55

M. R. Rosa, R. Tuellmann

arxiv:astro-ph/0312085 v1 · 2003-12-03 · 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{RUN7SXQAWZ5Z5GU4G6GGDEBFTC}

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	2026-07-04T16:37:55.614752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1bf95e00b67b9e9a9c378c61902598a54ed6589c696b8fc37316756350e825

Aliases

arxiv: astro-ph/0312085 · arxiv_version: astro-ph/0312085v1 · doi: 10.48550/arxiv.astro-ph/0312085 · pith_short_12: RUN7SXQAWZ5Z · pith_short_16: RUN7SXQAWZ5Z5GU4 · pith_short_8: RUN7SXQA

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/RUN7SXQAWZ5Z5GU4G6GGDEBFTC \
  | 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: 8d1bf95e00b67b9e9a9c378c61902598a54ed6589c696b8fc37316756350e825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb6980987985fea4ee6b1024c2244e3bf2c04d0c8f61d1aecc3f9de592d5e24",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-03T12:37:29Z",
    "title_canon_sha256": "0dea1ac5e1b52f97c5ece79b36a06f4395d3cf1faae2c1dd1b500de440cf374d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312085",
    "kind": "arxiv",
    "version": 1
  }
}