OpenTechnical

OT-2026-000072263

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000072263) never changes.

Identity and time

Publication numberOT-2026-000072263 · never reused
Internal UUID01a0ae92-47c3-7e85-b41a-f6b6d2ae61a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072263
StatusPUBLIC

Content hashes

Canonical text1421728c8d6aad14c2cc127326eac16dffdb652ab09f15069ef53a318e007ca8
Markdown661c6b80c5a2a45e63037cd220ed95ac82be81fb4887869990a10d8f0387e545
PDF
Publication pagea371dc014d8142ea860e5a3541a895aecda6be4235eb37e8e5d660e4e593bd82
Manifest3e84e1d6e298a2702641818876fad8961decd06573a11e7782c16eda05f4e0b3

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
SignatureasudKcHY/2/yfnSHTbiJM7TxgwXI5hVkdIetz2MIpiKAsSNL7zQganiDSoW7hRU/g3Yf53Zh7OwDljMveimgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:22.481726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072263
observed a371dc014d8142ea860e5a3541a895ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.466320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072263/manifest.json
observed 3e84e1d6e298a2702641818876fad896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.449049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072263/publication.md
observed 661c6b80c5a2a45e63037cd220ed95ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.431096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072263/publication.txt
observed 1421728c8d6aad14c2cc127326eac16d...
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.