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
CITY OF QUEZON Award a ₱9.8M contract to ROSAND BUILDERS CORPORATIONCities
Transaction hash:
555d2b90ce8f7eeaa87b15fa84a9ae0c5fdcad706c76cea1d05e9d060ddd01ee
Status:
Included and unchanged
Block:
#3,627 2,386 blocks after it
Position in block:
Transaction 211 of 673
Award day:
Dec 21, 2018 (7 yrs 10 mo ago)
From:
Value:
₱9,811,950.13
Project:
18-15009
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 #3,627 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)CITY OF QUEZON awarded it to ROSAND BUILDERS CORPORATION on 2018-12-21.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)COA's CY2024 audit of Quezon City gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 555d2b90ce…dd01eenow …
- 2. Block Merkle root changedstored e1d740d034…0ab343now …
- 3. Block #3627 hash changedstored 3e03157663…c525fcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 672 records. Each step hashes the current value together with the sibling shown.
- leaf 555d2b90ce8f7eeaa87b15fa84a9ae0c5fdcad706c76cea1d05e9d060ddd01ee
- 01 L 53ab481f1d52e443ab4bbb04edea1a7efc510cfada59d1303560375fc89cfe24
- 02 L a16120c1ebc9cc22760a6940b7e3870edfa02812ba55b58de368dc8f3b4ff55c
- 03 R 2b2c65afe8f4d9a0e9969eda4de709c9d7c86dede510aa2e0f816e4808e08e66
- 04 R 3629178f410a69930c1764aa9c0d523dd0ef496a6aa1a0ef13a3b1a75a8040a9
- 05 L 00c637006de192de45a19fd65f295577c31d49857fe724912667aab1a046a68c
- 06 R c06abb00781c54d5173ae3b1e449ae6b08cda762cd11aaa34d1d06538ed34bc4
- 07 L b6ab18f704d1e025cf19a53f4e5c10d8bc4c2471d6ef1585c056d508a57040d2
- 08 L 30bfd9d1b8ab34d6f7cb0da48f1eafe885d9ff209b64e0ae6d32bcea87285ef9
- 09 R 2490a883646b0d3a613c0b96e7f19fd9d31f4a25ef683b61e90daf4f75aaaef3
- 10 R d1f39d531403a591e3a5052e32efcc8cab81f22ec3a906a1b85a6b726ab9ca16
- root e1d740d034199d6f1eb69604ddc22e56874117ab7b3b723cf5687973400ab343