Pith Number

pith:6PUQHCT7

pith:2019:6PUQHCT7EKUTZMX2K2JGMYAQEL

not attested not anchored not stored refs pending

Influence of photic perturbations on circadian rhythms

Andrea Auconi, Edda Klipp, Hanspeter Herzel, Patrick Pett

arxiv:1903.10239 v1 · 2019-03-25 · physics.bio-ph · q-bio.MN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PUQHCT7EKUTZMX2K2JGMYAQEL}

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	2026-05-17T23:50:30.204153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e9038a7f22a93cb2fa569266601022deefd2492d2fa48856e9de7caca51c5f

Aliases

arxiv: 1903.10239 · arxiv_version: 1903.10239v1 · doi: 10.48550/arxiv.1903.10239 · pith_short_12: 6PUQHCT7EKUT · pith_short_16: 6PUQHCT7EKUTZMX2 · pith_short_8: 6PUQHCT7

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/6PUQHCT7EKUTZMX2K2JGMYAQEL \
  | 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: f3e9038a7f22a93cb2fa569266601022deefd2492d2fa48856e9de7caca51c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84939c60e2921fd5be47512dee082381b3fe9574cee1acae52e394f9fd153b05",
    "cross_cats_sorted": [
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2019-03-25T11:04:02Z",
    "title_canon_sha256": "e94609c054d958b6df3661415c8daaef0a9c981090f1be78cf158c99ffd6dc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10239",
    "kind": "arxiv",
    "version": 1
  }
}