Pith Number

pith:DEF4KFHD

pith:2017:DEF4KFHD5WSCA4PHMLOJZPC6DI

not attested not anchored not stored refs pending

Increased blood pressure variability upon standing up improves reproducibility of cerebral autoregulation indices

Adam Mahdi, Anthony A. Birch, David M. Simpson, Dragana Nikolic, Mette S. Olufsen, Ronney B. Panerai, Stephen J. Payne

arxiv:1705.04942 v1 · 2017-05-14 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEF4KFHD5WSCA4PHMLOJZPC6DI}

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	2026-05-18T00:44:34.268500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

190bc514e3eda42071e762dc9cbc5e1a0438d4af24b77c9aeee0256f71ee49a1

Aliases

arxiv: 1705.04942 · arxiv_version: 1705.04942v1 · doi: 10.48550/arxiv.1705.04942 · pith_short_12: DEF4KFHD5WSC · pith_short_16: DEF4KFHD5WSCA4PH · pith_short_8: DEF4KFHD

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/DEF4KFHD5WSCA4PHMLOJZPC6DI \
  | 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: 190bc514e3eda42071e762dc9cbc5e1a0438d4af24b77c9aeee0256f71ee49a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc4b624b885e93526232a0142448545dd1120278f9950a79367fd439e44a381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2017-05-14T09:57:04Z",
    "title_canon_sha256": "a7885a615b30343e445a8f582abeb02ad595b6009b325a37f7a2a26309df7bfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04942",
    "kind": "arxiv",
    "version": 1
  }
}