OpenTechnical

OT-2026-000029613

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000029613) never changes.

Identity and time

Publication numberOT-2026-000029613 · never reused
Internal UUID01a0ae73-5e22-7140-959e-3f31088dae03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029613
StatusPUBLIC

Content hashes

Canonical text5490f78bc4549b98fe7833cf8bb48cc4b2a80e92652dba59ab184d0c1e7d9480
Markdown45e6c740c6e684c04bc10d25674ff34210763b58afbafe24a601cfc7e76ffa4e
PDF
Publication page8dfd6b5c57df8f4b23ce73d4dc223a0f13b235f95325ad998f6f1bba9ca41ad5
Manifestd7d206f723ec1945870dccd29000217ac5ff6908771030187790c4fef9a545c8

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
SignatureudM6cQdL84MAy/EKgC2vJ1Lfnkkx0k+Ki6CGHIUNUg4nMXznJC1/OPxPKSZs0+azocN8rs+ZN/cbxrXPBM5YCw==
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

2026-09-17T11:39:19.094746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029613
observed 8dfd6b5c57df8f4b23ce73d4dc223a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.075503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029613/manifest.json
observed d7d206f723ec1945870dccd29000217a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.014190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029613/publication.md
observed 45e6c740c6e684c04bc10d25674ff342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.996408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029613/publication.txt
observed 5490f78bc4549b98fe7833cf8bb48cc4...
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.