OpenTechnical

OT-2026-000073617

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000073617) never changes.

Identity and time

Publication numberOT-2026-000073617 · never reused
Internal UUID01a0ae93-2b8c-7c85-932e-40e183f92c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073617
StatusPUBLIC

Content hashes

Canonical textde6da16a9ddc41a8700849805225145ebeeb0e36d77d1291552dfda3fc0991ba
Markdowne5aa98c5f37484c47fa7b44f1d43a254f3d3bf40fdeb676e39a1cc01d99ea47c
PDF
Publication page2b83157b7454eab220e57b82c274b53c22b5ec828cbb36032f59f0529c1c6912
Manifest6c39e6a15475b5a7c1acf5bf6359cca4c1eb4133e6005a345886d36d5dba5167

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
SignaturecrAqFiv/XTJIJW1uy7pi9RvAngzPxRa1s7F/aJ50BgkrKr7gsh5K+FuNtqkwKgGh2zMM89QmS+X4jgCBexztBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:39.353716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073617
observed 2b83157b7454eab220e57b82c274b53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.335964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073617/manifest.json
observed 6c39e6a15475b5a7c1acf5bf6359cca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.316436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073617/publication.md
observed e5aa98c5f37484c47fa7b44f1d43a254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.299165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073617/publication.txt
observed de6da16a9ddc41a8700849805225145e...
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.