OpenTechnical

OT-2026-000045356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000045356) never changes.

Identity and time

Publication numberOT-2026-000045356 · never reused
Internal UUID01a0ae7c-f76b-75d0-a040-4e18ee6b74c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045356
StatusPUBLIC

Content hashes

Canonical text1f8d01cb69c5514f91947db6ab24e705c096fb5ddf53c9e643e72f717f75a421
Markdown2b9abbaa0da668363e8a184f828362408e1ae7cd9b5ffcdcec9e3adfe5c39256
PDF
Publication page0134e81b59da93c16c3474f14f60004eb32ef5a9fae066fc44d64430707fa527
Manifest652c6ce101d84d791207e734f5458146abf4ad784e57f6ce261c9f5bb77dfb66

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
SignatureE7ikJYaOOi/yem3sKf6ojoRHT4G9VghJDoa6i2P7YFsBXZwdVuLSceHz3hl5FCFrSVwQ1W7xZ6nGHGQrctlsCA==
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

2026-09-17T11:10:37.354452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045356
observed 0134e81b59da93c16c3474f14f60004e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.335885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045356/manifest.json
observed 652c6ce101d84d791207e734f5458146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.316917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045356/publication.md
observed 2b9abbaa0da668363e8a184f82836240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.297206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045356/publication.txt
observed 1f8d01cb69c5514f91947db6ab24e705...
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.