OpenTechnical

OT-2026-000044956

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000044956) never changes.

Identity and time

Publication numberOT-2026-000044956 · never reused
Internal UUID01a0ae7c-911c-7ea9-bdb5-34de366888e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044956
StatusPUBLIC

Content hashes

Canonical textbb0f4742c9ff62d4e31af8efef00853c85ea0c36e99c0e217aaa75230791e49e
Markdown76a07317e87f022d214ff2835412e81b0eb6d04e95e1dacb23a855b7546114aa
PDF
Publication page156bacbb9a70342a3316ac70d03e8e744ce40e5991565a4bf8d1de6e747f23d4
Manifestea6861f896f376bf8f159cbad5cdcfe8812320e387d38dfe8c978b95111d60f4

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
Signature71uHcfgxQjfcCFyFAT3OSM5j8WX33JaIbcAyaSJp25Lzp8A55m0Y3t3LUE/GgfVCDAn5Veq5dE+Bbyp/EMjlBA==
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

2026-09-17T11:11:38.381712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044956
observed 156bacbb9a70342a3316ac70d03e8e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.364318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044956/manifest.json
observed ea6861f896f376bf8f159cbad5cdcfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.346073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044956/publication.md
observed 76a07317e87f022d214ff2835412e81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.328693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044956/publication.txt
observed bb0f4742c9ff62d4e31af8efef00853c...
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.