OpenTechnical

OT-2026-000023603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000023603) never changes.

Identity and time

Publication numberOT-2026-000023603 · never reused
Internal UUID01a0ae70-726a-769c-a82d-0af4e8ca8462 · 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-2026-000023603
StatusPUBLIC

Content hashes

Canonical text3289fe9d81a34865c88c597a4f7c82416703e4b52b2233e9ac6d95e17b0a2880
Markdown75be76bb6ee2522ee6c53554b6557d7af14e48e8cdf32b50588e9a97b93b0a26
PDF
Publication page5eee8fc5185a493e839ad72aa5615fd57412b6e4beb88ab8a2dfe39777321e19
Manifest9a8059589226d60bd83dd5425711eccdc473da71c23e9a1302332156d34f1dec

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
SignatureePSG9F0bZA+rQNQ0h11TsWWPEtmuogd9omUgK2fGVDsK4IiYb2UvKg/Ey/ClhqqHkll8kKDoBXzkxVHMqjSmCA==
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

2026-09-17T11:51:57.925995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023603
observed 5eee8fc5185a493e839ad72aa5615fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.908383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023603/manifest.json
observed 9a8059589226d60bd83dd5425711eccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.890721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023603/publication.md
observed 75be76bb6ee2522ee6c53554b6557d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.872125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023603/publication.txt
observed 3289fe9d81a34865c88c597a4f7c8241...
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.