OpenTechnical

OT-2026-000006088

Publication integrity record

Vacuum cup gripper, two stage ejector, vented after set down, rubber cups, flat form

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-2026-000006088) never changes.

Identity and time

Publication numberOT-2026-000006088 · never reused
Internal UUID01a0a94e-ef06-7c57-9a87-77ad0a652461 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:57.641491Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006088
StatusPUBLIC

Content hashes

Canonical textfd7dc89a4f4f2a78725580c542c871553587d9f3f6856d58fa1c829f19b1b353
Markdown9e1cfb1d7a29a7e5b3515d5da2545a47e8b2d6876a88ec64c547f8d22e9f2cc7
PDF
Publication pageae2a58ab6050749110b3279bcbaab69e034e93dae3d6411cd36a6fed58c4992f
Manifest7a3eca328b817edbd9f61a9070843dabba835cdf14ae8ea2c07eb331c6aca705

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUvrSdvaCMzIurmYqeT4saRs0YYoDEWufdjPmC8GcHT7Qx4Vhjw+fyR4vBAkwpf8w15lGvuXlgPwbUyMhCX35Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:28.881006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006088
observed ae2a58ab6050749110b3279bcbaab69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.745796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006088/manifest.json
observed 7a3eca328b817edbd9f61a9070843dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.732403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006088/publication.md
observed 9e1cfb1d7a29a7e5b3515d5da2545a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.719579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006088/publication.txt
observed fd7dc89a4f4f2a78725580c542c87155...
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 archivePending 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 packagePending Custody packages are produced weekly.