OpenTechnical

OT-2026-000039579

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000039579) never changes.

Identity and time

Publication numberOT-2026-000039579 · never reused
Internal UUID01a0ae78-d8d3-70e0-8cb1-ef7602bc37ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039579
StatusPUBLIC

Content hashes

Canonical text0ff383c75d48753bd90a8ac8e549304b0d1e4382ca65ce98245862ca061d06ce
Markdown4a91e7e3b81e91e91fbf44b10008584d40fab71e47b67a02d1e45d5742a051b7
PDF
Publication paged6e4912bb75259fcddfc5b7e63a483d626efd20c967eecd8498977b700db6cf6
Manifest13a3a1d4566ce1bd13780cd4f217ec54f35326fb7ba3edb61f140791eb75cc4b

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
SignaturevbZgAHBeOseL2ss8UNrBVOJ0G33SwbWcDfQiElEKCbcF18emifApVZ6TYfljPm1s+F9y7GC82L0Eya8xKDaXAg==
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

2026-09-17T11:19:44.161512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039579
observed d6e4912bb75259fcddfc5b7e63a483d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.143480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039579/manifest.json
observed 13a3a1d4566ce1bd13780cd4f217ec54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.124683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039579/publication.md
observed 4a91e7e3b81e91e91fbf44b10008584d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.104040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039579/publication.txt
observed 0ff383c75d48753bd90a8ac8e549304b...
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.