OpenTechnical

OT-2026-000043284

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000043284) never changes.

Identity and time

Publication numberOT-2026-000043284 · never reused
Internal UUID01a0ae7b-327d-7d40-9f0b-af82617909a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043284
StatusPUBLIC

Content hashes

Canonical text89d575500ba4639696595474daaa20d396551bc3bc694910786ac287a3adcfd8
Markdown2e76fa9a44b70a861ae79b828fab6ccf646d4741033d25cb15a5a89dfdff42ef
PDF
Publication page9b345b3156eaccd5f258c4b0163142626b75c0d7f315d6e99922bb6a3c52ee00
Manifest2b5f79eedb4a8d28a91aeaffb94837470a09a9eb50a21b8fb9518cd47f00d5ee

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
SignatureJozbWKqu+5+8FIoV56hh1CPMfDJz13Eb3YI6ZPy2YvLr01wtipLsc44itorBmgjcnOGKx8MQXjMp+V4Sq/cABw==
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

2026-09-17T11:13:46.510052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043284
observed 9b345b3156eaccd5f258c4b016314262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.489567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043284/manifest.json
observed 2b5f79eedb4a8d28a91aeaffb9483747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.470536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043284/publication.md
observed 2e76fa9a44b70a861ae79b828fab6ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.451626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043284/publication.txt
observed 89d575500ba4639696595474daaa20d3...
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.