DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE 2N Award a ₱2.6M contract to ZJN DEVELOPMENT CONSTRUCTION & SUPPLY CORPORATIONNational agencies
Transaction hash:
c4fbdcd6c54801838f1ca21e407b0fd3ecb1b74d1f12417c7eab7fd14c89b884
Status:
Included and unchanged
Block:
#5,865 148 blocks after it
Position in block:
Transaction 157 of 208
Award day:
May 30, 2025 (1 yr 5 mo ago)
Value:
₱2,595,410.19
Project:
25LJ0148 Construction of Rainwater Collector
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,865 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE 2N awarded it to ZJN DEVELOPMENT CONSTRUCTION & SUPPLY CORPORATION on 2025-05-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored c4fbdcd6c5…89b884now …
- 2. Block Merkle root changedstored 9af3d64be5…fcc836now …
- 3. Block #5865 hash changedstored 194f2ef071…c1c704now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 207 records. Each step hashes the current value together with the sibling shown.
- leaf c4fbdcd6c54801838f1ca21e407b0fd3ecb1b74d1f12417c7eab7fd14c89b884
- 01 L c30f104b849d275e1e777aabb022de15527a5bd6b8cb427affeccbf4cfb167fa
- 02 R d58677fe40f1cb0b70456ecd338db92d1fb2f1d7ba969edaebec77de1c6008cf
- 03 L 905d1e3b1b5b5c87294ff62dd30f6f29ffdd9fa29dc52fcec6ec11dad7f50913
- 04 L 9ebc1a57e3c9995ecb31e1261b6194b6b6980781612bbbc84faf04e5c6182de0
- 05 L 0087b33b0e707e70ad66171c1c3e026472ae9a5361f385c557b206a2a11a918b
- 06 R 362f348c26a020f7a2bdbc11d0e277a9f36c60da95dc49831b2f879d8a2f5d11
- 07 R c2c243b1cd661dcab451b81c66d16b152c023d636a1aefdc20d5837c3d3c0e83
- 08 L b306a98ca864ffc5c31379de23903dbaf89801d36eb1eb22ee410fd1eaa2d84b
- root 9af3d64be551d43ebed01904cce69dbac0a8cb68caeaaf5b7a8f354ddafcc836