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 - REGION II Award a ₱108.7M contract to ARVEA'S CONSTRUCTIONNational agencies
Transaction hash:
9bab2c02a428bf4f3d9da95e2dc8e0c8669ce640ff306940221156ce53e19ae3
Status:
Included and unchanged
Block:
#5,158 855 blocks after it
Position in block:
Transaction 198 of 317
Award day:
May 19, 2023 (3 yrs 5 mo ago)
Value:
₱108,732,825.31
Project:
23B00036
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 #5,158 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 - REGION II awarded it to ARVEA'S CONSTRUCTION on 2023-05-19.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 9bab2c02a4…e19ae3now …
- 2. Block Merkle root changedstored 427c467dd0…7d1085now …
- 3. Block #5158 hash changedstored c284fbc4a4…1f62e1now …
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 316 records. Each step hashes the current value together with the sibling shown.
- leaf 9bab2c02a428bf4f3d9da95e2dc8e0c8669ce640ff306940221156ce53e19ae3
- 01 R 9cb23736e05490c3cb346b660d352816e2739edaa36390ad712dea27bf0f45af
- 02 L d4ae17cd80fd8d714db0204462885955dd9d68fe9ab6f95e0aad86fcc7df05db
- 03 L e122d41dbd0a64d6fc745b21e511ecfed658df51b5ff7709ffae5d91564c63ae
- 04 R cae5a5e2921f76fce96a8f0aeb274c4ea24653e2bf3c31856ccee6c6b9dc5cda
- 05 R 90cdc2c8bd133790e6502ea040ae55100f95d58364b82a1c1a17a682dd36525b
- 06 R a1ce8fb2fbdf7ef4b6d2656c77e3283f4903f9ea9d489b1bc1390a2a860b20f2
- 07 L c6bb7a147b03ce342153e93db85dd1ad4b38c4d81158a9211bd6f95c46365a1a
- 08 L 8e0403aa591bdd194a0fb569757d1ebd95faab0f635f9ee722baeb7ffcca6000
- 09 R 398b2da3a2822238d11aaff1ea5f4a3faa69622cb7d104a6706f7910cb5337cc
- root 427c467dd065796af83430adac9cf65e96ca4f5de7acfa7969f3e74ef17d1085