Pith Number

pith:SODJ5TM3

pith:2009:SODJ5TM3KC2X3TKEOML7ZW57Y7

not attested not anchored not stored refs pending

Near Infrared Spectroscopic Study of V1647 Ori

(2) University of Notre Dame, (3) Eureka Scientific, (4) University of Missouri at St. Louis), E. L. Gibb (4), J. Liskowsky (1) ((1) Clemson University, S. D. Brittain (1), T. Simon (3), T. W. Rettig (2)

arxiv:0911.2940 v1 · 2009-11-16 · 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{SODJ5TM3KC2X3TKEOML7ZW57Y7}

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	2026-05-18T02:10:47.462694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93869ecd9b50b57dcd447317fcdbbfc7c17044e20482245852b30b10d5b6744b

Aliases

arxiv: 0911.2940 · arxiv_version: 0911.2940v1 · doi: 10.48550/arxiv.0911.2940 · pith_short_12: SODJ5TM3KC2X · pith_short_16: SODJ5TM3KC2X3TKE · pith_short_8: SODJ5TM3

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/SODJ5TM3KC2X3TKEOML7ZW57Y7 \
  | 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: 93869ecd9b50b57dcd447317fcdbbfc7c17044e20482245852b30b10d5b6744b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d69fb08508cb4554d02bee237c1ee5683ce0802e0f56c61f4b1664869a4889c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-16T02:29:35Z",
    "title_canon_sha256": "370174dc2df17b3793d39d84c86dd1a4a0b2853d076d49be736908fdc9256b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2940",
    "kind": "arxiv",
    "version": 1
  }
}