OpenTechnical

OT-2026-000023350

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000023350) never changes.

Identity and time

Publication numberOT-2026-000023350 · never reused
Internal UUID01a0ae70-7268-700f-802d-8186607f9a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023350
StatusPUBLIC

Content hashes

Canonical text7df5df7862033d15aad5ce565bf7cbc5cf5841b9e452d497e25a49c1028bed18
Markdowne429cef5bd1638a9aa314c973accf75fca4f102ce7df2e0d299baec3ccc4d040
PDF
Publication pagea9153c4be69c409ae81d14b280dd0484482bbdfac2100d0678961385c07e4260
Manifest37f66075c64e8617813cd022c9903ebb32bac6d83606f6387889ba19d503f0e5

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
SignatureHiY4AqsdyZQfpG9r/w/+hBY/rh6C+Ix1jtjYdTNqAtz16OvyYF7uOiyrUUv/irG7d42RDqfjaWj4G1bs7GjYBg==
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

2026-09-17T11:51:26.627819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023350
observed a9153c4be69c409ae81d14b280dd0484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.609926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023350/manifest.json
observed 37f66075c64e8617813cd022c9903ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.591535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023350/publication.md
observed e429cef5bd1638a9aa314c973accf75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.574124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023350/publication.txt
observed 7df5df7862033d15aad5ce565bf7cbc5...
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.