OpenTechnical

OT-2026-000027276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000027276) never changes.

Identity and time

Publication numberOT-2026-000027276 · never reused
Internal UUID01a0ae72-6996-75fd-bb4c-dd1503349fd2 · 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-2026-000027276
StatusPUBLIC

Content hashes

Canonical text8221bc51087f39a52bba69664948865a7ade73965fe117c0b7bb225628bb481f
Markdown0b95b3ce9267fae3ab05b66c6d9200e67f98f069341e1dd1fe6d51fcf5bf42fc
PDF
Publication page0b0bea1271a8e6b95ee10b88e4ef92d5c09de929e4dc884442994f36062f9a80
Manifest3fa7777b0b66dc911def1215b92ce68a8cd704b395341c4fa7c3c6caed342718

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
Signature9Uz/PTlTDaO2zBo98+UgaLnCdMPsFywIf0vV8aJ/9im8ibpvrwVBFDWZvIXotKgf9d2hNwpxOazaNYbREq3yDA==
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

2026-09-17T11:42:39.707533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027276
observed 0b0bea1271a8e6b95ee10b88e4ef92d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.690133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027276/manifest.json
observed 3fa7777b0b66dc911def1215b92ce68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.672317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027276/publication.md
observed 0b95b3ce9267fae3ab05b66c6d9200e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.629705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027276/publication.txt
observed 8221bc51087f39a52bba69664948865a...
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.