Pith Number

pith:PMM2CRDB

pith:2007:PMM2CRDBINKN74QLB7O4JRNZSD

not attested not anchored not stored refs pending

Interstellar Iron and Silicon Depletions in Translucent Sight Lines

Adam Miller, David M. Meyer, J. T. Lauroesch, Stefan I. B. Cartledge, Ulysses J. Sofia

arxiv:astro-ph/0701408 v1 · 2007-01-14 · 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{PMM2CRDBINKN74QLB7O4JRNZSD}

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	2026-05-18T04:29:07.283860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b19a144614354dff20b0fddc4c5b990dc1e9dfe3d1f60f0513180610fce0151

Aliases

arxiv: astro-ph/0701408 · arxiv_version: astro-ph/0701408v1 · doi: 10.48550/arxiv.astro-ph/0701408 · pith_short_12: PMM2CRDBINKN · pith_short_16: PMM2CRDBINKN74QL · pith_short_8: PMM2CRDB

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/PMM2CRDBINKN74QLB7O4JRNZSD \
  | 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: 7b19a144614354dff20b0fddc4c5b990dc1e9dfe3d1f60f0513180610fce0151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4df9a4cb4abb75231507b33e28908f6d9dc7df3f29cf82ebc07aa0d29026720",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-14T21:20:31Z",
    "title_canon_sha256": "c3b8cb1d8cd06251bfa2f1edf176a541fce6c1e0198df209a9b4e34ca7e56c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701408",
    "kind": "arxiv",
    "version": 1
  }
}