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
MUNICIPALITY OF SAN ISIDRO, DAVAO DEL NORTE Award a ₱35.0M contract to TAGUM BUILDERS CONTRACTORS CORPORATIONMunicipalities
Transaction hash:
94f01fbf863a2087ec444cdc54144e16101e699aa233048462fe6c6da81c672d
Status:
Included and unchanged
Block:
#2,410 3,603 blocks after it
Position in block:
Transaction 71 of 116
Award day:
May 19, 2015 (11 yrs 5 mo ago)
Value:
₱34,964,129.75
Project:
CONSTRUCTION OF 2 STOREY MUNICIPAL HALL BLDG.
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 #2,410 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)MUNICIPALITY OF SAN ISIDRO, DAVAO DEL NORTE awarded it to TAGUM BUILDERS CONTRACTORS CORPORATION on 2015-05-19.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 94f01fbf86…1c672dnow …
- 2. Block Merkle root changedstored dd6f9b50c3…03da2enow …
- 3. Block #2410 hash changedstored fa9c3f2bb4…649e4enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 115 records. Each step hashes the current value together with the sibling shown.
- leaf 94f01fbf863a2087ec444cdc54144e16101e699aa233048462fe6c6da81c672d
- 01 L 94ec6f22b15a244b4054f5629d616499d10821e9662c3dcd2e16becce3189cf7
- 02 L 9c4f3f175ba3cdd1ae78c0799f405f8a11f73bbe560d193780b8d32aea385b95
- 03 L ea2b17297b6d5d523b44a5b76bac281e1113d59cc221064a20e47bf98c4eed72
- 04 R cdcc65188156c5db0d1b9d10a5e25ac5aa887889b7d665434314e49678daa0bd
- 05 R 30b1dad954d34737e0db1ff694f93f3e1a029fc82c09514408750c89f3fca183
- 06 R 57098b01025d855897fcc4b0ce7423d26a6ea0cfbec24f8e3b13baf460c6c49e
- 07 L 4a5c5f86d611ec6b143b6431677b2c30bddc4bffe761d125afb26dfac887e5e5
- root dd6f9b50c3cbb399900d750bdd0b46d0d22f63aae313be46d0fa18430103da2e