OpenTechnical

OT-2026-000041493

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained blow-off after set-down

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-2026-000041493) never changes.

Identity and time

Publication numberOT-2026-000041493 · never reused
Internal UUID01a0ae79-b145-743e-99cb-022a2a68ad5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041493
StatusPUBLIC

Content hashes

Canonical text0f492bff8a2ab4c8e9fbe3e63a98773743d7fbb79e8e1b9789702d3c896a789d
Markdownb5edfb46ee00d0086491a7d927f7c1ec575fccd77517473c4fdf968b4f20d072
PDF
Publication page99f44114ec9ba217c296d9c3e8a64a4305eaa9d90ae6ba5445d44e7183185670
Manifestdf211a39e473592a2553824deccfa7ae71558fe0327603639b175f24c8631b4e

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
Signaturel8ZP+ifeqqpacCCUBQPQw/7ojRs+fe2THIcwkiOiwqgnzMRol90IQXt0Hk7u0Li0x/wkjoZSnFuy4s3WJ/kGBw==
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

2026-09-17T11:17:31.702444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041493
observed 99f44114ec9ba217c296d9c3e8a64a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.684813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041493/manifest.json
observed df211a39e473592a2553824deccfa7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.667381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041493/publication.md
observed b5edfb46ee00d0086491a7d927f7c1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.649200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041493/publication.txt
observed 0f492bff8a2ab4c8e9fbe3e63a987737...
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.