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
BARANGAY STA. ANA 27-C, DAVAO CITY Award a ₱370.0K contract to ARDRAW CONSTRUCTION AND SUPPLY CORPORATIONBarangays
Transaction hash:
3f9507c12a419ea425cebbf892bc819b213fa010d2d38f98930b55dc673fc7fb
Status:
Included and unchanged
Block:
#3,985 2,028 blocks after it
Position in block:
Transaction 39 of 186
Award day:
Jan 3, 2020 (6 yrs 10 mo ago)
Value:
₱369,984.49
Project:
CONSTRUCTION OF DRAINAGE (CONTINUATION) AT PUROK 4, GEMPESAW STREET BRGY.27-C, POBLACION DISTRICT, DAVAO CITY
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 #3,985 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)BARANGAY STA. ANA 27-C, DAVAO CITY awarded it to ARDRAW CONSTRUCTION AND SUPPLY CORPORATION on 2020-01-03.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 3f9507c12a…3fc7fbnow …
- 2. Block Merkle root changedstored ddc41d5ce9…a8fc03now …
- 3. Block #3985 hash changedstored a04525e97c…d91db5now …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 3f9507c12a419ea425cebbf892bc819b213fa010d2d38f98930b55dc673fc7fb
- 01 L 3e5ec48fba700a2b656d8f4eb01a81e7463c563a430740b7bdcbd42cfb67b1d5
- 02 L f9e3f2e8d87d1e36464b77c9ffa1aa6e09b18b1096e945054ef89f7c582ad535
- 03 L 01d04da5d3cc2eb652b8ab2883f6b17d3606b66fccfe08a0e0c1ca08bedd5829
- 04 R de1f26328d834edad8776660a05cc9b4094c232c7ab9c4b7f8a926045a82df31
- 05 R b422907612806cda5ec5517770e6e59994e1a493bf52cee5c3acd58af1193835
- 06 L 360e7c4fedf162feae5495ebb3350fd77d9f4765dbda20aa97a4772a22590fe7
- 07 R fc9577743684ccef9f47da031a2c9535eada77eab6e4f90f554c36f35da3c13e
- 08 R f79aaf5718dea32010f12929e7db10f0f88788b57c8ae3f6d5fed89b3ec844db
- root ddc41d5ce96231d3d2a400c83d3d10ea781359e2511764364e65e482c9a8fc03