OpenTechnical

OT-2026-000079585

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000079585) never changes.

Identity and time

Publication numberOT-2026-000079585 · never reused
Internal UUID01a0ae96-0b92-7fec-9883-c37c775c7b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079585
StatusPUBLIC

Content hashes

Canonical text842f81f050dd29d1de913d0fd67e8f1cb26460809674bd20a428e1970729fa84
Markdownf1c4db32405ba9841c7277182125bbfe03f0a2db37ab3fe2d006ce00621fb96d
PDF
Publication page27da482b320fd2257c914644ba618b952167a5832d04203dcbf2159cd90db92c
Manifesteed4488146f7ebe80ab6c47875c4b6325f48db69fd65e6c84bea9d4294a73436

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
SignaturetwyDOfey/oyXSy5glJF2MBwGO4JFHhrC9bQ6+LDUwODH0cly64Q0Vf5blZzuoqdWG9EbwYfMin7Z/Sl2Fh1FCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:14.441986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079585
observed 27da482b320fd2257c914644ba618b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.421358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079585/manifest.json
observed eed4488146f7ebe80ab6c47875c4b632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.400886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079585/publication.md
observed f1c4db32405ba9841c7277182125bbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.382704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079585/publication.txt
observed 842f81f050dd29d1de913d0fd67e8f1c...
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.