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
DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱4.7M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
cf0b771c551355ffd385e7fb1f75667e6aff6ebafef30808a000f15082c3bdf5
Status:
Included and unchanged
Block:
#2,392 3,621 blocks after it
Position in block:
Transaction 104 of 129
Award day:
Apr 29, 2015 (11 yrs 6 mo ago)
Value:
₱4,671,969.64
Project:
15DI0046
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 #2,392 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)DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to R.C. TAGALA CONSTRUCTION on 2015-04-29.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 cf0b771c55…c3bdf5now …
- 2. Block Merkle root changedstored 6d7e003a38…842a54now …
- 3. Block #2392 hash changedstored 68855a153d…bb1ea6now …
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 128 records. Each step hashes the current value together with the sibling shown.
- leaf cf0b771c551355ffd385e7fb1f75667e6aff6ebafef30808a000f15082c3bdf5
- 01 R d018701b1db2501aab86501a3be36c45cffcfe4bbb98914f51271d957b9d58e6
- 02 R c96212d6ed862e7f839baa1c6300f667fadf13f3d9f7ca7b9e7fa2ba4813305a
- 03 R 34ad56d93188b32e5ed3052b08497a2ae5779cdb7134cdc4f19579cb3a04113c
- 04 L ea8025869e50520b607b842a020cb2d7fafb7fda2efcb86738c10c6a7d5da771
- 05 R df3c87550be64b40196d32b78a0fd93ce38bf6b2f6477da8348cd74f9f137551
- 06 L 7299b7758898e984de536c473883c1ba699889b7c1c9c3122fbce9f840e6caf9
- 07 L dffa0109dcfa39dd4b0253f42536a8375487074830d9be9d7f00bdace23fd13f
- 08 R 76de1397b5d5c40a7d1068c195699d0914ac5e63f90a3e1ffe3c715190a696c6
- root 6d7e003a388590b21720b7b32ea78c585f5bf1861d2e86ed52c45e30c1842a54