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
DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱970.0K contract to MAR-VEL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
2c2fdf002426447bb25e41e65548b79f1ba714c14d4a935d39ead86edcaa77ef
Status:
Included and unchanged
Block:
#1,766 4,247 blocks after it
Position in block:
Transaction 19 of 88
Award day:
May 29, 2013 (13 yrs 5 mo ago)
Value:
₱970,000.00
Project:
13DI0065Construction/improvement of multi-purpose
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 #1,766 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)DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2013-05-29.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 2c2fdf0024…aa77efnow …
- 2. Block Merkle root changedstored 573c7e1dbb…e4b2b0now …
- 3. Block #1766 hash changedstored 61e4895362…4fa360now …
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 87 records. Each step hashes the current value together with the sibling shown.
- leaf 2c2fdf002426447bb25e41e65548b79f1ba714c14d4a935d39ead86edcaa77ef
- 01 L 2bf4d8738349d001988b961fa55df06b470650fa9996c2fbd9cc97680b6a7911
- 02 L 69cd42e15e1d25f3900c63e62b5ead448cce4a9170f969469d91b904dfe73507
- 03 R 20e35da062800f4c01b294ccdd4d97fab470026f587d629bc4d4e0fa7d4fb33a
- 04 R 36a1116a7e6dd2a1093b5d9f0148fb0ab10261b3ecb763543a39cb9aaffa12db
- 05 L d9f0ea8d881445cf4e331c88d9a1d3c3239487e3936678370526bc56e765e643
- 06 R 9a0a522b96f91d2f84e83fe4b01dc88bcadfd028dae4fb98a68b8ebe7431e8fc
- 07 R aa9d30cc32d619e005a5ab3460148faf061071f62bd9b07a2031c8ae76bdbc2e
- root 573c7e1dbbe14c4fd39c60e2b0c0d2b889d13fbc3fffa3856043eed802e4b2b0