OpenTechnical

OT-2026-000086236

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000086236) never changes.

Identity and time

Publication numberOT-2026-000086236 · never reused
Internal UUID01a0ae99-e82c-77eb-8e61-c0f71feade25 · 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-2026-000086236
StatusPUBLIC

Content hashes

Canonical textee2ef12f0109eb242927f3fee2d2c595be4043fdb72f3944b48c8352d1f0d16d
Markdowne8f956a1d4db1bf261025e2c9c7c549951120719850c87622615e15ae690522a
PDF
Publication pagebc09002a2e3c692a0d58097df8068332869fd4e3d00c3d3605e2ed6674f8a29b
Manifest3ce7c80a4f898739ce355b4c87d88a570fd07308c985d13aecb7d0a6925ea2e5

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
SignaturepJcWov3F1wpXuIua5A1lD3wKwHfiQdbSZIb3sv5SpuqlZguusz6lbu4Kg05HWylQHp0fDchlE0WHwS5Yv4tkCw==
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

2026-09-17T09:53:55.456953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086236
observed bc09002a2e3c692a0d58097df8068332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.439597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086236/manifest.json
observed 3ce7c80a4f898739ce355b4c87d88a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.422739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086236/publication.md
observed e8f956a1d4db1bf261025e2c9c7c5499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.405988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086236/publication.txt
observed ee2ef12f0109eb242927f3fee2d2c595...
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.