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
PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM. Award a ₱225.0K contract to YULA CONSTRUCTIONNational agencies
Transaction hash:
645ddcc1fc35f98e2fc6e69e04522de1245388357ab147dd5acfc286dda04433
Status:
Included and unchanged
Block:
#4,189 1,824 blocks after it
Position in block:
Transaction 81 of 216
Award day:
Aug 11, 2020 (6 yrs 3 mo ago)
Value:
₱225,000.00
Project:
Construction Projects
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 #4,189 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)PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM. awarded it to YULA CONSTRUCTION on 2020-08-11.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 645ddcc1fc…a04433now …
- 2. Block Merkle root changedstored 11e240cd65…8f9620now …
- 3. Block #4189 hash changedstored 040e78ce6e…720e3bnow …
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 215 records. Each step hashes the current value together with the sibling shown.
- leaf 645ddcc1fc35f98e2fc6e69e04522de1245388357ab147dd5acfc286dda04433
- 01 L 63573faa7c41efa70af916633505a1c0a711ae359a14341e365db22535504a6c
- 02 R 52d021145032fa86eb875d70fe9b676db0a9b3ba87a1c3603f7bc12b93b0f6ad
- 03 R 938efc16863f7dac44adb3420d78011e237aa181869ab524c7b3fa926b39c696
- 04 R 08daa2a8ac9cc160a1c7f42271365a01f06824553363ccaf3168e97e232028d5
- 05 L 76780eac74eb420549441a91a462d98d49ac1881a2628f18d306517c3af0b50d
- 06 R a285c3faa6d7fd6a0d1df8616b82ac3a34ff92c400a7776523e6c1a84e59e489
- 07 L cd29d6983c82893af9516257556b86c66c43189f63db1f8326b94e473ef37209
- 08 R ab5e7d50e3a5491c1db37e313b710f73c639b6df0fc60a755c8e0070a504bd31
- root 11e240cd65b3d666f82bdecc74b810c7122c46ebd0055753d3883655b18f9620