OpenTechnical

OT-2026-000085911

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000085911) never changes.

Identity and time

Publication numberOT-2026-000085911 · never reused
Internal UUID01a0ae99-e82a-7638-b805-c5b7d1d2df12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085911
StatusPUBLIC

Content hashes

Canonical text2a54542d65d88c22bf710c55e6f62bc2715e9730d5f9792ca495ee2550d32a22
Markdown74a98799942e393ce377b691e023b96d2abd3265a10e561e1adc577920a8d9eb
PDF
Publication page806d7e3aae48aaf90272b19e50780b3da329b872afec8844049f52313f889b60
Manifestda32d78ad347817686b0d505e46a44d52a2ecc7608df90aa73d443c8aee069dc

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
SignatureYt/UDn77IDQxelVXNl8wr6YE9E/r5rdBgc/SjIs7RrybZ2B6tg+b4lUkFw8beIlQy69fXgM4YPVpmAEQge4wAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:51.463922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085911
observed 806d7e3aae48aaf90272b19e50780b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.444685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085911/manifest.json
observed da32d78ad347817686b0d505e46a44d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.427253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085911/publication.md
observed 74a98799942e393ce377b691e023b96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.409829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085911/publication.txt
observed 2a54542d65d88c22bf710c55e6f62bc2...
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.