OpenTechnical

OT-2026-000069184

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000069184) never changes.

Identity and time

Publication numberOT-2026-000069184 · never reused
Internal UUID01a0ae90-6dcf-770e-9a34-8ea080ca56b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069184
StatusPUBLIC

Content hashes

Canonical textb4da264df4e2726d350dcd9a2f140563172c966886ad9fb9f603bec989a55c9e
Markdown13e9cb80432337767272a8ca064e04b5aad7626631ca0a4a4e395e60140e72d6
PDF
Publication pageabe47c10ea87f71977ed4af47ba4c5cb0323ed423c2e7e9f991184ffdc1027bb
Manifest5af777a9b1634e7d35ec8204dc37a91f2b9e9f8dc05277616d17b63f3d7b8cde

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
SignatureCdmEMuwMHoQU5ro+1fR1Fh57eQRRRpdbR/ui2STRKMStrPAzANQeyM+bBgNimqiitkX59BSqzW37xk6yD1XECg==
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

2026-09-17T10:29:04.765818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069184
observed abe47c10ea87f71977ed4af47ba4c5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.746645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069184/manifest.json
observed 5af777a9b1634e7d35ec8204dc37a91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.726875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069184/publication.md
observed 13e9cb80432337767272a8ca064e04b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.706584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069184/publication.txt
observed b4da264df4e2726d350dcd9a2f140563...
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.