OT-2026-000013858
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000013858) never changes.
Identity and time
| Publication number | OT-2026-000013858 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7b0b-b63d-a7b9dd734719 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013858 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9c1f7e40791bfc4fa2a88949cb4b416a289ca9f7f211a218ac12dd34e9c337e |
|---|---|
| Markdown | 981766a4ea836c4cb3611d682a62b00f5eb00e9282bcb7bd716197458d45341a |
| Publication page | aa68a25d78e0292864712deb7a6863bdeb68bb8d579e78f0aa6e39c2a0606821 |
| Manifest | 83d88833c03ccfb5a7bb78b319b5d6552ca10d044b8662b69085e50e1b23d792 |
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 | g2KxbZkBgybKa2XWiYgnfeqvyw1vXsYYQskF+Gf2sNVNR5wI74kqfr3XVo2VWYq90S5pSZ/uTnbkJLgtdxvCCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:08:58.168618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013858observed aa68a25d78e0292864712deb7a6863bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:58.151939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013858/manifest.jsonobserved 83d88833c03ccfb5a7bb78b319b5d655...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:58.133422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013858/publication.mdobserved 981766a4ea836c4cb3611d682a62b00f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:58.114594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013858/publication.txtobserved c9c1f7e40791bfc4fa2a88949cb4b416...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. |
|---|