OpenTechnical

OT-2026-000027300

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000027300) never changes.

Identity and time

Publication numberOT-2026-000027300 · never reused
Internal UUID01a0ae72-6997-7603-b18f-b4e18b0b542f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027300
StatusPUBLIC

Content hashes

Canonical text99eb3b31cd69c2b8367716f9680f911fb28b26cea12520a28bd3b7421c1bf4cf
Markdown026d3f2c799475440e6f6a85831f0d263f4d3ac95fb81d04765d4628e8a21dd5
PDF
Publication paged3fcee54729c0787c77fe9d494ad5d1a83021c5392b266d431450f720ea0d069
Manifest4725214a3a069f3f609faf6e81a1f682c2c71332298aa6d0bce7233d51ead68a

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
SignaturewuIr6UR3JUi1Gq3mqJFtoWWwYAlNSTwe2yZglGx06l5dU78Yf3wLCVCeX1V5rZn7GFimNMwebOHLKo6ln7RLCA==
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

2026-09-17T11:42:41.427650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027300
observed d3fcee54729c0787c77fe9d494ad5d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.409628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027300/manifest.json
observed 4725214a3a069f3f609faf6e81a1f682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.392168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027300/publication.md
observed 026d3f2c799475440e6f6a85831f0d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.371938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027300/publication.txt
observed 99eb3b31cd69c2b8367716f9680f911f...
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.