OpenTechnical

OT-2026-000033831

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033831) never changes.

Identity and time

Publication numberOT-2026-000033831 · never reused
Internal UUID01a0ae75-a391-7432-90da-d35e58d3b8d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033831
StatusPUBLIC

Content hashes

Canonical textb3eb5a221b74424ff8e3fdb547117973eaf721623440d9725361973bb861d1b4
Markdown04011592174abec47eb314679635e266866721fe83f979741fa4df9cd26e8c8f
PDF
Publication page1c8cb04a06aa88d5cfef3349cc8ba07c7ca0c052c1522a42f9b4ef5dbe827dcb
Manifestd28bd3a95f05c332d16c4cac36245bcd48d6d0c0fe7f2212a947ea6a260748f3

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
SignatureWkw3LKUVQGEczthACON0zn/mXBI4kHZb25htiDZRdcxN5HmLleMfXIq2Acgmfmvo9hqwGsMpjgrBew8E6RCcBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:53.082824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033831
observed 1c8cb04a06aa88d5cfef3349cc8ba07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.058491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033831/manifest.json
observed d28bd3a95f05c332d16c4cac36245bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.038319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033831/publication.md
observed 04011592174abec47eb314679635e266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.018280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033831/publication.txt
observed b3eb5a221b74424ff8e3fdb547117973...
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.