OpenTechnical

OT-2026-000099587

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000099587) never changes.

Identity and time

Publication numberOT-2026-000099587 · never reused
Internal UUID01a0aea2-c975-7cd5-a5b0-95a3f0aa5819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099587
StatusPUBLIC

Content hashes

Canonical textc1ce7732fee8cfa3bcced51d7c33801c87d3432f55075d434196585e3f60d534
Markdown41a1431d13443ce9b81bfccb3cec4afdb83fee3033da5c0012850ddb9a71de86
PDF
Publication page48aea36d34eeab0a4baa0fff86b6437c21d704f6e9173ef16ee362de47d44230
Manifest5fd2bde01d25b54922657af42f9491ef4741924642701eae70cbc0eed3ab43d5

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
SignatureH1EIcxIdyC8uRa1GJjjA3u92iiNEELvOizJ5xRDOmiwxlrPiWTmv6nKWcFTDALDstaNbYQlUGntQhH2e+oC/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:30.608595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099587
observed 48aea36d34eeab0a4baa0fff86b6437c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.591364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099587/manifest.json
observed 5fd2bde01d25b54922657af42f9491ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.573438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099587/publication.md
observed 41a1431d13443ce9b81bfccb3cec4afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.555795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099587/publication.txt
observed c1ce7732fee8cfa3bcced51d7c33801c...
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.