OT-2026-000055819
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000055819) never changes.
Identity and time
| Publication number | OT-2026-000055819 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-7d99-bc0f-e0e3326c6a7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055819 |
| Status | PUBLIC |
Content hashes
| Canonical text | a10e8563bf27d2d1525ef2ff5918bef2b41c985464beba5d76bc67128cd75322 |
|---|---|
| Markdown | c041568343e134d3bbee93e9bb5fedf5c67e2a6dee56609cc54ac8aafbcd49d8 |
| Publication page | 7598b7c974a05f86e3468550f71ec0b7e910a5c03269d93d11778669c4a4e5fa |
| Manifest | 526a6b9dc7bb7ab0d208b9c69bde2b32ce4297ef18fb69c62c83bbacd015caaa |
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 | pk4914HODpXN5RdeYDxuRgwPdZurGAOpcBjPIdXLep1aB3HvmtzrQ0oiP9UCqplg02/MNZFgft49Ey6GxI6OAg== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:11.879743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055819observed 7598b7c974a05f86e3468550f71ec0b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:11.860196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055819/manifest.jsonobserved 526a6b9dc7bb7ab0d208b9c69bde2b32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:11.839399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055819/publication.mdobserved c041568343e134d3bbee93e9bb5fedf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:11.821728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055819/publication.txtobserved a10e8563bf27d2d1525ef2ff5918bef2...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. |
|---|