OpenTechnical

OT-2026-000052147

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000052147) never changes.

Identity and time

Publication numberOT-2026-000052147 · never reused
Internal UUID01a0ae83-e78f-764b-9990-4ffa303a14d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052147
StatusPUBLIC

Content hashes

Canonical text10a6bc49a5eb17a08c467c041c5e53bf449dd93741880bfa02dabf8bd5ee8cf9
Markdown617fc944ccf283b3035a8dbc0e731511f7a7753258d9be8b81e1bcc2625802f6
PDF
Publication pagea5232d427aaadd99cccee000e6a702b3febde95b213e27d6d0b84ba7882e6ff6
Manifest001c4ae6b4bb25905f09f74a76c323ed1f2084acc41518ce1e98c67b145eed79

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
Signature4YLFJIfiFEBAAMBCyfyiB16JBOf5Ax8DOj1a2fiF6KRiE+5NCmh+upNqqbLxyvWyDlwT96/Ss9ci6ZHLWoxGAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:42.000578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052147
observed a5232d427aaadd99cccee000e6a702b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.982839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052147/manifest.json
observed 001c4ae6b4bb25905f09f74a76c323ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.965967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052147/publication.md
observed 617fc944ccf283b3035a8dbc0e731511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.949001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052147/publication.txt
observed 10a6bc49a5eb17a08c467c041c5e53bf...
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.