OT-2026-000057681
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057681) never changes.
Identity and time
| Publication number | OT-2026-000057681 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-76fb-b0a6-02f3a4ec6718 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9485d5784364855904047b9b1dc1af615a5526028b62da2a72f37d9809039b89 |
|---|---|
| Markdown | d50dd82bd25e6c454e22d9caf223e6e0607d87724586a5f56282ecc7fa57bd1a |
| Publication page | ebe427de827020d620cefcf2b3dcd2d7927d8d2b5e08397e1de881cc30f6ec4b |
| Manifest | b8b8c8bef791e61a697ab2b832bc9dfc1695a28c29839698a5ab4a1ddce22336 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Jxx6ARgexxSsOWDfXElB7lscWJ3tZY09td5bkT/EPbGotQP4CPnfx1onmuy1xAa2B4KIaiaGAG4isCzfcHCCCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:20.390222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057681observed ebe427de827020d620cefcf2b3dcd2d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:20.372629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057681/manifest.jsonobserved b8b8c8bef791e61a697ab2b832bc9dfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:20.354439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057681/publication.mdobserved d50dd82bd25e6c454e22d9caf223e6e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:20.333717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057681/publication.txtobserved 9485d5784364855904047b9b1dc1af61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|