OpenTechnical

OT-2026-000031968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000031968) never changes.

Identity and time

Publication numberOT-2026-000031968 · never reused
Internal UUID01a0ae74-bad2-75c6-8f05-7ffc92a5b22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031968
StatusPUBLIC

Content hashes

Canonical text92e91b67642767fc9219e55dbe8459fdf610582a5080cbf93e56a3c81d602831
Markdown22d42a4c96d33479e14bce41183206380186a6eafba3045588c2f5c1e12e39e2
PDF
Publication pageacaad1a0411fc55abd6c5811db34531aadc3c932e0663c6e2a1703e4b95cc3ae
Manifest3c18573df6a3b16ddb77a5a06233cf67095a78a6d41a140962518186fd31c9e8

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
SignatureU1xgcYfI3iG/1T8CS+z2Vh7R2KcfpxGllh40iK34CD+B+ybSIZekmLeO5HhaDNz4GTzaRvssb8lM5mgSA3dsAw==
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

2026-09-17T11:35:15.689722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031968
observed acaad1a0411fc55abd6c5811db34531a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.667692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031968/manifest.json
observed 3c18573df6a3b16ddb77a5a06233cf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.650656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031968/publication.md
observed 22d42a4c96d33479e14bce4118320638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.632053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031968/publication.txt
observed 92e91b67642767fc9219e55dbe8459fd...
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.