Pith Number

pith:WTDDN2YJ

pith:2010:WTDDN2YJBOU4QQJXAR3NCYCQ4S

not attested not anchored not stored refs pending

Nothing to hide: An X-ray survey for young stellar objects in the Pipe Nebula

Bettina Posselt, Charles J. Lada, Jan Forbrich, Kevin R. Covey

arxiv:1006.3556 v1 · 2010-06-17 · 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{WTDDN2YJBOU4QQJXAR3NCYCQ4S}

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	2026-05-18T02:06:44.891444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c636eb090ba9c841370476d16050e494f6ade63e2562cda0a63a5e5fa1bc13

Aliases

arxiv: 1006.3556 · arxiv_version: 1006.3556v1 · doi: 10.48550/arxiv.1006.3556 · pith_short_12: WTDDN2YJBOU4 · pith_short_16: WTDDN2YJBOU4QQJX · pith_short_8: WTDDN2YJ

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/WTDDN2YJBOU4QQJXAR3NCYCQ4S \
  | 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: b4c636eb090ba9c841370476d16050e494f6ade63e2562cda0a63a5e5fa1bc13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9703a0137819cd3b16338470515914c55a0db2e46d19c7cf8aced6e0724306",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-17T19:47:22Z",
    "title_canon_sha256": "6d571a9ea2f2a2dca82b40756ed4c5c00c959297cfded567b3746a1b722e9a9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3556",
    "kind": "arxiv",
    "version": 1
  }
}