OpenTechnical

OT-2026-000043484

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000043484) never changes.

Identity and time

Publication numberOT-2026-000043484 · never reused
Internal UUID01a0ae7b-92ce-7621-8195-6c1ef04246af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043484
StatusPUBLIC

Content hashes

Canonical textfcb70e2546720373fde9a23712202e5c51576aa0fdcaf349af69a3b93769b7b7
Markdownc9b8e6d5486a43e2043cf7640c1f8fca8d096a8aa6925eb494144a739360c2ea
PDF
Publication page67a09ffd63d4202fea2c2218d33e0161d0480c0aaaec82a45c2dbbebca241fad
Manifest76da6ddecd82782e4c0c3f62ba28c234ad85beeb317b4b1e8a3dc0bfe0b3bd8c

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
SignaturePMZuxpldK0lGI84WfPd7CQJwl8H5Hm6t0ltu15KwbpBR0pcGF/ChcG3+1bm7FP2fPQ0xswXbZ6k/SlwvuOraCQ==
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

2026-09-17T11:12:50.689847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043484
observed 67a09ffd63d4202fea2c2218d33e0161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.672330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043484/manifest.json
observed 76da6ddecd82782e4c0c3f62ba28c234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.654394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043484/publication.md
observed c9b8e6d5486a43e2043cf7640c1f8fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.636497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043484/publication.txt
observed fcb70e2546720373fde9a23712202e5c...
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.