OpenTechnical

OT-2026-000057652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000057652) never changes.

Identity and time

Publication numberOT-2026-000057652 · never reused
Internal UUID01a0ae88-2694-7054-a8ee-af8e8c785679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057652
StatusPUBLIC

Content hashes

Canonical textfbd8455c3392c7aa665cc2051ba8dfec33f85ce5399efd1b07c316203794ffd9
Markdownc28f5b04c3c2fe86f17440c0f79d11d21d5d3abce18ece6871edd34acd0a40a6
PDF
Publication pageabd020e6a617dd30965a2e4086a436ba089db32fa1bf93877083fd4fd5c45a63
Manifest014c8dba72fcabc2d308928026b79752ab130bfb9e6425bc971c83f2b1627ccf

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
SignatureuzvZqyLjK9Kvz1XL1agbT1VjBM8AtK++7qITDtYY5XuDg5/oxv9OyBwkWK4n1zNj5M8/xZh5vyFJnMKvtbyWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:13.137579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057652
observed abd020e6a617dd30965a2e4086a436ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:13.119946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057652/manifest.json
observed 014c8dba72fcabc2d308928026b79752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:13.102886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057652/publication.md
observed c28f5b04c3c2fe86f17440c0f79d11d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:13.085954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057652/publication.txt
observed fbd8455c3392c7aa665cc2051ba8dfec...
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.