OT-2026-000052548
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052548) never changes.
Identity and time
| Publication number | OT-2026-000052548 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-7c7c-8623-9a8bd990fd87 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052548 |
| Status | PUBLIC |
Content hashes
| Canonical text | d952c2a55e347461a00e3fb905a2043a16e2be4a6b5227dc7d84ee66732f308f |
|---|---|
| Markdown | 9b4fe1d71959c7ebc6f0981e89064c8c81ca0f3789529941fad3ee0d62b4d470 |
| Publication page | 81ecc32a6d4ee764bebcd3cdcb6941a2a5ab86e1c31d6c956c2cbcb375519fd3 |
| Manifest | 0a69cdc127f1cf72f200bedea934c713a18a632a8b2be48aaf57225abeea279b |
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 | HO7wTZJSyKsY4GnmfzJb2Osk1+AEqY3Gt687PPsrQ0jTkKHcD4ngWYgbAUoscptx1TyArfH4XO1AhxC6otdUBw== |
| 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
| 2026-09-17T10:57:12.090367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052548observed 81ecc32a6d4ee764bebcd3cdcb6941a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:12.072844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052548/manifest.jsonobserved 0a69cdc127f1cf72f200bedea934c713...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.055195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052548/publication.mdobserved 9b4fe1d71959c7ebc6f0981e89064c8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.038818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052548/publication.txtobserved d952c2a55e347461a00e3fb905a2043a...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. |
|---|