Pith Number

pith:STXYVUPR

pith:2000:STXYVUPROEZ22V2A4ISIHXUGFZ

not attested not anchored not stored refs pending

Near/Mid Infrared-Wavelength Study of the Interacting Galaxy Pair UGC 12914/5 -- "Taffy"

D. van Buren, E. Valjavec, G. Helou, J.J. Condon, T.H. Jarrett

arxiv:astro-ph/0004268 v1 · 2000-04-18 · 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{STXYVUPROEZ22V2A4ISIHXUGFZ}

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	2026-07-04T16:16:19.640515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94ef8ad1f17133ad5740e22483de862e58e2d1ab2fb39ec74534eef0b14ed8ea

Aliases

arxiv: astro-ph/0004268 · arxiv_version: astro-ph/0004268v1 · doi: 10.48550/arxiv.astro-ph/0004268 · pith_short_12: STXYVUPROEZ2 · pith_short_16: STXYVUPROEZ22V2A · pith_short_8: STXYVUPR

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/STXYVUPROEZ22V2A4ISIHXUGFZ \
  | 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: 94ef8ad1f17133ad5740e22483de862e58e2d1ab2fb39ec74534eef0b14ed8ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96ece6e9b432180b27e5e510a2567aa120c62721c89de692079512223fff6695",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-18T23:49:57Z",
    "title_canon_sha256": "9f3e80406e875ccf374a37a129efb9c24296c04357c680da40c4d08d7a5ff0f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004268",
    "kind": "arxiv",
    "version": 1
  }
}