OT-2026-000006663
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified, contact triggered, closed cell
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-2026-000006663) never changes.
Identity and time
| Publication number | OT-2026-000006663 · never reused |
|---|---|
| Internal UUID | 01a0a963-2011-7d92-9e8f-550998fcdd5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:44:00.917415Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006663 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52feb7bcb4c40c75831a01ca80b88fe5e4aaabc49759d885c3969bf5062987c6 |
|---|---|
| Markdown | a98f4bbb8e68b506bc35cfc0dc4235ea8a4fe452dabd8bbbdf7510e8e59cf567 |
| Publication page | 45eeddb40f9629a4a933b0d7dcf2d77a19febe182e0d72480c2d6d62fd0f8f23 |
| Manifest | 6eb60bb727c74352d041a873ce5521406ea62e244c1c3d332e6964bd41569e57 |
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 | mHsR28h4/MwkxbPR53QhkisnGgCScrFksasu+/I/TtcsgIq6R4tfzBaCKV/kqzNQsBt4UtEb2eO97YxN3KoOCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T12:42:28.685014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663observed 45eeddb40f9629a4a933b0d7dcf2d77a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:28.569232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/manifest.jsonobserved 6eb60bb727c74352d041a873ce552140...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:28.477542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/publication.mdobserved a98f4bbb8e68b506bc35cfc0dc4235ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:28.385016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/publication.txtobserved 52feb7bcb4c40c75831a01ca80b88fe5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:19.903529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663observed 45eeddb40f9629a4a933b0d7dcf2d77a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:19.891494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/manifest.jsonobserved 6eb60bb727c74352d041a873ce552140...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:19.877960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/publication.mdobserved a98f4bbb8e68b506bc35cfc0dc4235ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:19.742205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006663/publication.txtobserved 52feb7bcb4c40c75831a01ca80b88fe5...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. |
|---|