OpenTechnical

OT-2026-000061187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000061187) never changes.

Identity and time

Publication numberOT-2026-000061187 · never reused
Internal UUID01a0ae8b-1380-776c-9ceb-9085f0d92cdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061187
StatusPUBLIC

Content hashes

Canonical textf120c79ef3b4084480c280601b2d69a6bc55e4a37c020a445897a4a68c8660d5
Markdown72d66c21ca967911a1729a9c5e0a438b05affc9cd275401b228f44047be78b80
PDF
Publication page1edef66f088de1f8a065869371714f8bfc98b7af6c08a74eae141ed286965a80
Manifestadd8c85096529d38d792a3419dafd144bc8e3a3469e25ec78f0438442f918d75

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
SignatureDNuVe9UFvct/jz9xRZwLGRXCF98Ys/LhiAwLIWNvReEUFgBnP3/4LejJuSUubkW34DhYHwGSCet6Mi++h1XCCQ==
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

2026-09-17T10:42:34.895257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061187
observed 1edef66f088de1f8a065869371714f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.876604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061187/manifest.json
observed add8c85096529d38d792a3419dafd144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.858292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061187/publication.md
observed 72d66c21ca967911a1729a9c5e0a438b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.839778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061187/publication.txt
observed f120c79ef3b4084480c280601b2d69a6...
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.