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 - DINAGAT ISLAND Award a ₱2.8M contract to ALGAMON CONSTRUCTIONNational agencies
Transaction hash:
44b4e97614db00ac5d358c94ab78fe89cb1f948e1cb2ef64f8d5d8646a5cf76f
Status:
Included and unchanged
Block:
#2,479 3,534 blocks after it
Position in block:
Transaction 76 of 282
Award day:
Aug 3, 2015 (11 yrs 3 mo ago)
Value:
₱2,804,705.76
Project:
15NE0018
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 #2,479 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 - DINAGAT ISLAND awarded it to ALGAMON CONSTRUCTION on 2015-08-03.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 44b4e97614…5cf76fnow …
- 2. Block Merkle root changedstored 06f6735f87…2766cbnow …
- 3. Block #2479 hash changedstored 8839262f2c…fa3109now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 281 records. Each step hashes the current value together with the sibling shown.
- leaf 44b4e97614db00ac5d358c94ab78fe89cb1f948e1cb2ef64f8d5d8646a5cf76f
- 01 R 47d725b36b075cb38c83151b32a918105ea00b87ea9eead5e4d119299375c9e5
- 02 R d2913a9e5e314411cbc552baa116cca19e1f8031c67a7033dc120a88a53aa963
- 03 L c30a512e2dd14e618413b401c0057789a252585dd820e1c0cc65b4263c79a233
- 04 L 107fb23c314fa55f10cc52f3c261dfd3061c3c8019aaa4aaa143dfdf0ea7fe97
- 05 R 58bf065e959372b490e01b48a93e04353861f7088dc23db840f43e9d1099475a
- 06 R 060a3bc17725c268dcb91f2c751872e21ef5d269e9156daec32d9a0141b240b2
- 07 L 31298f9a20cd3f4d9a39f366b1a71149f3d1fb4b3307e89c3171bca38e7a1eaf
- 08 R 5e988f2a5bb2a94064c5eeb7d733a478b4999420bcfe27f9d1e2f1cb2c819589
- 09 R 326035a552a55400c47104639bfd5525896305b42c43ae09ab8311923a880ca8
- root 06f6735f875fba6d9ea6f228970890778f4a003d8af0ce5dcb5bdea5b02766cb