OpenTechnical

OT-2026-000038818

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000038818) never changes.

Identity and time

Publication numberOT-2026-000038818 · never reused
Internal UUID01a0ae78-769f-7069-8b11-51b31ea8495f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038818
StatusPUBLIC

Content hashes

Canonical text5bc5111084948b02bde3d3411d860b6f198c9360bf455c9798ca1f15ed614974
Markdown1bc4c24d5aa7db4c5a830e1805d3b34d4bd3de61386a67c4ac48c802aae7d29b
PDF
Publication page766608217a89856863fe5a81387eadc2fd9340d6ac2b2b5bd1471564e9c70984
Manifeste801e0df2ddc6cb499a6b510d1f28aceb097f192ca25af2bbc566f25787b696b

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
SignaturekbnqyXPt2ygKhR9Qmz1ztSgOYLrjjeGk3QvIXndZXt49Iku1UHQXJHMJn3rpSg9W07pBA/L2Acvv5X8UH5kxDQ==
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

2026-09-17T11:21:22.669585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038818
observed 766608217a89856863fe5a81387eadc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.648945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038818/manifest.json
observed e801e0df2ddc6cb499a6b510d1f28ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.629866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038818/publication.md
observed 1bc4c24d5aa7db4c5a830e1805d3b34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.609764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038818/publication.txt
observed 5bc5111084948b02bde3d3411d860b6f...
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.