OpenTechnical

OT-2026-000023631

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000023631) never changes.

Identity and time

Publication numberOT-2026-000023631 · never reused
Internal UUID01a0ae70-aed3-76a7-895a-ec24dc76c5ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023631
StatusPUBLIC

Content hashes

Canonical text2c2ee350be09cec1385dc0f6f0e6f92261f4ec6109ac3803b31e6d3e04845d96
Markdown25f6193134f54b0448bbfd6d0b7b93544800b891b0e9f7e23fa4e07e1f04fb5c
PDF
Publication page8718e62fbbd8f1769502e3345d2cd2e2a3649283ce5a0df883f17a20e55919fe
Manifest6c12aaf7bd9aeb174649c4c0347afed4f9d61dc7c7cc7b833466b205becfee48

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
Signaturef0qrYX6pLBTQsDdKveH5FVVeVjSkbY4DZc27gCxnNfb4EwIxcHbNL2udVxOauuBMNWTrxvyNj1NCcjDqb/M0Ag==
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

2026-09-17T11:49:50.365627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023631
observed 8718e62fbbd8f1769502e3345d2cd2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.346853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023631/manifest.json
observed 6c12aaf7bd9aeb174649c4c0347afed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.325029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023631/publication.md
observed 25f6193134f54b0448bbfd6d0b7b9354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.278774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023631/publication.txt
observed 2c2ee350be09cec1385dc0f6f0e6f922...
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.