Pith Number

pith:ZQUMAV4X

pith:2008:ZQUMAV4X3KXCDDDF3HJOS3FHNG

not attested not anchored not stored refs pending

HST Snapshot Survey of Post-AGB Objects

B.E.K. Sugerman, G.C. Van de Steene, M. Meixner, N. Siodmiak, R. Szczerba, T. Ueta

arxiv:0801.4612 v1 · 2008-01-30 · 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{ZQUMAV4X3KXCDDDF3HJOS3FHNG}

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	2026-05-18T00:55:29.066634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc28c05797daae218c65d9d2e96ca7698075b5df50716f4d0dc1caf887a465aa

Aliases

arxiv: 0801.4612 · arxiv_version: 0801.4612v1 · doi: 10.48550/arxiv.0801.4612 · pith_short_12: ZQUMAV4X3KXC · pith_short_16: ZQUMAV4X3KXCDDDF · pith_short_8: ZQUMAV4X

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/ZQUMAV4X3KXCDDDF3HJOS3FHNG \
  | 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: cc28c05797daae218c65d9d2e96ca7698075b5df50716f4d0dc1caf887a465aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4073d325406fab888b399fa9eab8c9435a9aea71a8250298d4dc11899a199ce9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-30T08:01:14Z",
    "title_canon_sha256": "b9e91be06964dfb0b4520cb3f3fe04abaf124085232f30ea230ce5bedc7907c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.4612",
    "kind": "arxiv",
    "version": 1
  }
}