OpenTechnical

OT-2026-000027209

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000027209) never changes.

Identity and time

Publication numberOT-2026-000027209 · never reused
Internal UUID01a0ae72-3454-7848-8b20-c309bdc9462b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027209
StatusPUBLIC

Content hashes

Canonical text14ba307b3b726c718bc712134ba7ead734364da0048c6e6766db4190c8cbd358
Markdown806fd1c17b82f6a20b7de466201fb5c66236f8b328292ddd670bed51ad074bcc
PDF
Publication page09ade0c5106e05e73a22b4c913a066c392ee642f3b950efd712a34b995f41c8a
Manifest2f87c5fefa55758264a7b983baeb559dee3906b35ffeb3a59a32fbbc7cae1eb8

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
SignatureO8NaP6v70GL4KyCe35OTgOdKkunDifuE4kJ4/my6HsMgC32WGpSNd9Jz75pwgdA7hpVWYZ1qgRLFTVZ3NHvGDg==
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

2026-09-17T11:44:06.006869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027209
observed 09ade0c5106e05e73a22b4c913a066c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.989004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027209/manifest.json
observed 2f87c5fefa55758264a7b983baeb559d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.967192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027209/publication.md
observed 806fd1c17b82f6a20b7de466201fb5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.949726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027209/publication.txt
observed 14ba307b3b726c718bc712134ba7ead7...
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.