Pith. sign in
Pith Number

pith:5FDJJ43G

pith:2021:5FDJJ43G4EUY4MOWRCQX3KSPOJ
not attested not anchored not stored refs pending

Science and survival: insights from Astronomy

Debra M. Elmegreen, Ewine F. van Dishoeck

arxiv:2101.10346 v1 · 2021-01-25 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5FDJJ43G4EUY4MOWRCQX3KSPOJ}

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 2026-07-05T02:09:27.930699Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e94694f366e1298e31d688a17daa4f727b5a59701d53f4d582e308065ec30e5c

Aliases

arxiv: 2101.10346 · arxiv_version: 2101.10346v1 · doi: 10.48550/arxiv.2101.10346 · pith_short_12: 5FDJJ43G4EUY · pith_short_16: 5FDJJ43G4EUY4MOW · pith_short_8: 5FDJJ43G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5FDJJ43G4EUY4MOWRCQX3KSPOJ \
  | 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: e94694f366e1298e31d688a17daa4f727b5a59701d53f4d582e308065ec30e5c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e7df75518bded62d86e74ce6236ec301c6cb6e9bf043faf3bb6075a1292fae84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-25T19:00:16Z",
    "title_canon_sha256": "6560cac2e12d89047b53640281129821fb512f6d7201475c889f775e0fd8562c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10346",
    "kind": "arxiv",
    "version": 1
  }
}