OpenTechnical

OT-2026-000025098

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025098) never changes.

Identity and time

Publication numberOT-2026-000025098 · never reused
Internal UUID01a0ae71-2729-7f54-8c6e-2bb69d1c7c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025098
StatusPUBLIC

Content hashes

Canonical textda380ff3c6ec353e4b364fb0f6ddfcc6a32d175ab427b8b541973df84af8c551
Markdown8886b1167f34311e4ad286b527ee0101db82ddd3a8daaf77d28a536eeff69c3d
PDF
Publication page2c5b83d9e64a6491999230b2af677eb63527668f397948ac75fba487772f724b
Manifest54ea6213feb2d7a8fcb576157bd2884926752a12849dc743888de059eb425f6d

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
SignatureXeGXakrkeotd3ZslfrTlPROHkBISBkCImCMPPlKt2y1M9nBRDfP5Nsxs1lkswXPtPxFJFsutarCak1kfGblyCg==
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

2026-09-17T11:48:31.130949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025098
observed 2c5b83d9e64a6491999230b2af677eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.112340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025098/manifest.json
observed 54ea6213feb2d7a8fcb576157bd28849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.095701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025098/publication.md
observed 8886b1167f34311e4ad286b527ee0101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.079866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025098/publication.txt
observed da380ff3c6ec353e4b364fb0f6ddfcc6...
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.