Pith Number

pith:FTEL5QRS

pith:2010:FTEL5QRSHCEPBPKUO44QGGFOGL

not attested not anchored not stored refs pending

Distinguishing post-AGB impostors in a sample of pre-main sequence stars

Annibal Hetem Jr., Gra\.zyna Stasi\'nska, Jane Gregorio-Hetem, Rodrigo G. Vieira, Ryszard Szczerba

arxiv:1009.4668 v1 · 2010-09-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTEL5QRSHCEPBPKUO44QGGFOGL}

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	2026-05-18T02:05:18.052051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc8bec2323888f0bd5477390318ae32cac1cca95dc7c6469bb7f37b4280a9c8

Aliases

arxiv: 1009.4668 · arxiv_version: 1009.4668v1 · doi: 10.48550/arxiv.1009.4668 · pith_short_12: FTEL5QRSHCEP · pith_short_16: FTEL5QRSHCEPBPKU · pith_short_8: FTEL5QRS

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/FTEL5QRSHCEPBPKUO44QGGFOGL \
  | 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: 2cc8bec2323888f0bd5477390318ae32cac1cca95dc7c6469bb7f37b4280a9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee5b1b39d66342088bd4f8f08256d4c7090ec6305fd71ffa7e8e2743c6ebf670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-23T18:01:14Z",
    "title_canon_sha256": "9202405c9ea0ff111c72d28e90f3a7c84d8865313751036833eaeac1c660900e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4668",
    "kind": "arxiv",
    "version": 1
  }
}