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 DE Award a ₱12.0M contract to TAGUM BUILDERS CONTRACTORS CORPORATIONNational agencies
Transaction hash:
bbd6ebc80322f0a447ce80347a5da7f29504462e88bdc63d0a992742aa3cfd31
Status:
Included and unchanged
Block:
#3,288 2,725 blocks after it
Position in block:
Transaction 1,005 of 1,412
Award day:
Dec 28, 2017 (8 yrs 10 mo ago)
Value:
₱12,010,553.40
Project:
Construction of 4 Units TVL Regular Workshop
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 #3,288 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 DE awarded it to TAGUM BUILDERS CONTRACTORS CORPORATION on 2017-12-28.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 bbd6ebc803…3cfd31now …
- 2. Block Merkle root changedstored 64613355b9…bb9921now …
- 3. Block #3288 hash changedstored 3cb6d0a1d5…43ac58now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,411 records. Each step hashes the current value together with the sibling shown.
- leaf bbd6ebc80322f0a447ce80347a5da7f29504462e88bdc63d0a992742aa3cfd31
- 01 L bbd51c3e3b378470e8ebf956e5cfd8aafa0106f605ba37c13b17b604ebd47d22
- 02 R 36556fb1145e3ed468f7aae59a2f423df4a4cf927beb0dde03d2cf23f369e56f
- 03 L 521c6bb139b009057be4889638ea0ac1028289ef8551a172f3ce29cd7303f249
- 04 L 99ea362e6acb1d60ac70e113dfc43ce2023d7e5a443a65092a421f1e24264b0f
- 05 R 3fde94078c2359f95d0a19c22015a7b5c4cbfcad0aff8f4361a1ec06ae5212cd
- 06 L 7de87f787fd787d3a635acb7e5df990599d72668ded4ff870037973d732471d0
- 07 L d8465b5422f10837bddbc29fe7d5267eb4ec9e6e7340790db9a8f223502c4701
- 08 L 363d6d23c89add31d1d7c4d83462b992f508f0ba2d3c86c9b1e64b2a77754e8c
- 09 L 834ab80ee211059a6141784960952af89547c171341542de598873b6405c3532
- 10 L 1ff87f7a682fea3531d70648560d787120ad8368a2c3ecb3bbb14752270f7211
- 11 R 2ef4508f70651af07ad638e450db23cc4fbf801a34a6d7c08089ba1d7e004443
- root 64613355b977568d1084de9163c534dedc8c83edeb4ca2352846127023bb9921