OpenTechnical

OT-2026-000036499

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036499) never changes.

Identity and time

Publication numberOT-2026-000036499 · never reused
Internal UUID01a0ae77-46e6-77bc-aa5f-2019da24e7b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036499
StatusPUBLIC

Content hashes

Canonical text69519381809f35e9c91f175ae0d5e502817c42f41de903f47f7a50f84fa40d6c
Markdown175edb17deca71eaadc200db4c3458560e67a4b93e0e15bd8b2780b9a4bae540
PDF
Publication paged39e06995c72ff707f4be25c8f736a9fe3f7042a071a197b42e67174ab9c4706
Manifestf6525467e988921ce7fa88041f61ff64a260a7d268196b360f8b195128cfa8b4

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
Signaturerb7fDQUGcWG9JNe6L+AfdjefFdO7A4GRxczApTdGnQksuKOxV/hE947r5BMgUFBp5jI+nWaCFYAPAFR7axQUCA==
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

2026-09-17T11:25:11.474513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036499
observed d39e06995c72ff707f4be25c8f736a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:11.459203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036499/manifest.json
observed f6525467e988921ce7fa88041f61ff64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:11.442438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036499/publication.md
observed 175edb17deca71eaadc200db4c345856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:11.426504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036499/publication.txt
observed 69519381809f35e9c91f175ae0d5e502...
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.