Pith Number

pith:AMAAEBBX

pith:2008:AMAAEBBXD6DJHQEPS52UVGXOBD

not attested not anchored not stored refs pending

Echelle long-slit optical spectroscopy of evolved stars

(2) JPL, (3) Dept. Astrofisica, (4) WMKO/CARA), A. Gil de Paz (3), C. Sanchez Contreras (1), CSIC, R. Goodrich (4) ((1) Instituto de Estructura de la Materia, R. Sahai (2), Spain, UCM

arxiv:0806.4474 v1 · 2008-06-27 · 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{AMAAEBBXD6DJHQEPS52UVGXOBD}

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	2026-07-04T17:11:33.330171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03000204371f8693c08f97754a9aee08e3f82c9709ebd6071a65623cf29fa224

Aliases

arxiv: 0806.4474 · arxiv_version: 0806.4474v1 · doi: 10.48550/arxiv.0806.4474 · pith_short_12: AMAAEBBXD6DJ · pith_short_16: AMAAEBBXD6DJHQEP · pith_short_8: AMAAEBBX

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/AMAAEBBXD6DJHQEPS52UVGXOBD \
  | 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: 03000204371f8693c08f97754a9aee08e3f82c9709ebd6071a65623cf29fa224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f996675dc7e6f21ecf752a2939f8416b47d4d64b2f75acfb83dc066cb93381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-27T12:59:58Z",
    "title_canon_sha256": "1ee3811c37fd11a9ebe6f465b32b229918db3c6717b237651ebcf8ef72ae7908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4474",
    "kind": "arxiv",
    "version": 1
  }
}