Pith Number

pith:6EW7MVYV

pith:2007:6EW7MVYVX5DPH2PPAPV4NF5DEJ

not attested not anchored not stored refs pending

Integral Field Spectrographs: a user's view

Centre de Recherche Astrophysique de Lyon), Eric Emsellem (Universite Lyon I

arxiv:0709.3970 v1 · 2007-09-25 · 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{6EW7MVYVX5DPH2PPAPV4NF5DEJ}

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	2026-05-18T02:16:10.976387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f12df65715bf46f3e9ef03ebc697a3227d5d592cf2f5d8e5a1c3cc5f00269a41

Aliases

arxiv: 0709.3970 · arxiv_version: 0709.3970v1 · doi: 10.48550/arxiv.0709.3970 · pith_short_12: 6EW7MVYVX5DP · pith_short_16: 6EW7MVYVX5DPH2PP · pith_short_8: 6EW7MVYV

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/6EW7MVYVX5DPH2PPAPV4NF5DEJ \
  | 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: f12df65715bf46f3e9ef03ebc697a3227d5d592cf2f5d8e5a1c3cc5f00269a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d762872a3b70ceb2f7ce99829d972104b94e29ead7bc4f5cfda67f7b2f77ffca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-25T14:44:10Z",
    "title_canon_sha256": "10b5575bb394949809dc88b25832c7712dda756580fc8d4628fdad749e2338ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3970",
    "kind": "arxiv",
    "version": 1
  }
}