OpenTechnical

OT-2026-000029536

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000029536) never changes.

Identity and time

Publication numberOT-2026-000029536 · never reused
Internal UUID01a0ae73-5e21-7e71-8d83-b8f2f0c15a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029536
StatusPUBLIC

Content hashes

Canonical text12dcc26ebac8cabd425da7a92f83e24a2793ed6330cc0cfb28e574799c57aabc
Markdowncbc8d3d62cc66412a9a2465994835cf7a064896eebbc08650857440e9edd57da
PDF
Publication page4d0d6110fdca266014c124af8835950695acb0c5cd35546d6fcd1e3059282e9b
Manifestd5816cbf1638267eab1192ac7a4b8d5239fdfc76d0b6b5695d755a68aeca4aef

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
SignatureS8FIzAJS+wiIDWcCAKdbkt3T3XLKFm7YZx1C1NxWmGNfissIzkBySpkUtXlWYNma1ig3BZnYZH4WaDd7iTNaCQ==
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

2026-09-17T11:39:11.449521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029536
observed 4d0d6110fdca266014c124af88359506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.431528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029536/manifest.json
observed d5816cbf1638267eab1192ac7a4b8d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.409943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029536/publication.md
observed cbc8d3d62cc66412a9a2465994835cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.389462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029536/publication.txt
observed 12dcc26ebac8cabd425da7a92f83e24a...
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.