Pith Number

pith:IK67TP6P

pith:2009:IK67TP6PEFOEOZP2W56C7OPEL4

not attested not anchored not stored refs pending

IPHAS and the symbiotic stars. II. New discoveries and a sample of the most common mimics

A.A. Zijlstra, A. Mampaso, C. Giammanco, D.J. Lennon, E.R. Rodr\'iguez-Flores, J.E. Drew, J.S. Vink, K. De Pew, K. Viironen, L. Sabin, M.J. Barlow, M. Santander-Garc\'ia, M. Valentini, N.A. Walton, P.J. Groot, P. Rodr\'iguez-Gil, Q. Parker, R. Greimel, R.L.M. Corradi, S.E. Sale, U. Munari, Y.C. Unruh

arxiv:0910.5930 v1 · 2009-10-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IK67TP6PEFOEOZP2W56C7OPEL4}

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	2026-05-18T02:11:01.263892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42bdf9bfcf215c4765fab77c2fb9e45f1f7a9c0bf524e3ac21b3618c88ed8b2b

Aliases

arxiv: 0910.5930 · arxiv_version: 0910.5930v1 · doi: 10.48550/arxiv.0910.5930 · pith_short_12: IK67TP6PEFOE · pith_short_16: IK67TP6PEFOEOZP2 · pith_short_8: IK67TP6P

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/IK67TP6PEFOEOZP2W56C7OPEL4 \
  | 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: 42bdf9bfcf215c4765fab77c2fb9e45f1f7a9c0bf524e3ac21b3618c88ed8b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256e20c7a7a6dd3652cf7ee202f4230b66d5a99e39111be5b61cfa0e10876b57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-30T18:21:41Z",
    "title_canon_sha256": "93d4c159f1fbfbf1993d58f785cdd276227408da076d8daa8b4b4f48de5b8790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5930",
    "kind": "arxiv",
    "version": 1
  }
}