OpenTechnical

OT-2026-000038465

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038465) never changes.

Identity and time

Publication numberOT-2026-000038465 · never reused
Internal UUID01a0ae78-2d53-7e2f-a772-e21650858404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038465
StatusPUBLIC

Content hashes

Canonical text1fca28c8393e1478b692d53f2f2cf354419b474696ac8534a63712df67b5b656
Markdownd30cb217cafbc25903fbe4250b741b83e38e6edaddff38dc74ce79af71e5b541
PDF
Publication pagecb8e2f0f4565a2290ffdd50a6f26b8a6dc5a55f6c6594648c6c0a77387576d99
Manifesteecab31c2c585a729ce3dda94911a89fff73be6c7b1807c76d74b65a3c5ea864

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
SignaturesPMBb62s3UbZJSj6x6pON6olR/QX+zBhrck+roNgRtVkM8jpP5b6h3yk2AP9FumQCEpmszNA8nRJ47gBqwN8Cw==
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

2026-09-17T11:22:42.056777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038465
observed cb8e2f0f4565a2290ffdd50a6f26b8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.037648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038465/manifest.json
observed eecab31c2c585a729ce3dda94911a89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.021126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038465/publication.md
observed d30cb217cafbc25903fbe4250b741b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.003620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038465/publication.txt
observed 1fca28c8393e1478b692d53f2f2cf354...
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.