OT-2026-000052248
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052248) never changes.
Identity and time
| Publication number | OT-2026-000052248 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-7aa0-89b6-fbf70dba8ca3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052248 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8a9172497f11e761b1aabe72285a656b1c497e68d3d6b685df2155b51a8c5f9 |
|---|---|
| Markdown | 23b82ded68fb34527bf64dcc9758e7430fd83605bc4001885f67955acd5710ee |
| Publication page | eac66a1e1c902e17633d20bf9f88efc1f6860412020cbbce4e529eadac693618 |
| Manifest | 64e911e3a326db8c1b07fd097678c54ee4d2fbae26b75a8a55a94083b11bcf80 |
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 | y20mSFCmtsgOxkjHRUzj/HdDj6foHkYmLWDC4n3ZnWp1OaOLAptgvOmGHSKiwC72SNsCTIi4dCCIcOmFlrJADA== |
| 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
| 2026-09-17T10:57:49.758261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052248observed eac66a1e1c902e17633d20bf9f88efc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:49.741196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052248/manifest.jsonobserved 64e911e3a326db8c1b07fd097678c54e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:49.720220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052248/publication.mdobserved 23b82ded68fb34527bf64dcc9758e743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:49.702186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052248/publication.txtobserved a8a9172497f11e761b1aabe72285a656...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. |
|---|