OpenTechnical

OT-2026-000066852

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000066852) never changes.

Identity and time

Publication numberOT-2026-000066852 · never reused
Internal UUID01a0ae8e-ce43-73f3-a682-3a4ce5122537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066852
StatusPUBLIC

Content hashes

Canonical text6da8c12f235e75524e3baeb13d15be1d9cc770bf4ba5b4fd0a0d7e8f469e95a0
Markdown160700d2b305ce7280c47dac45f386f631e36f115e749e4111cad030d5b5bed9
PDF
Publication pageb9c8a1cf978c1a19e0538bc830aa01a71156758da157dafce5b41a556039c58b
Manifestf158aab6088bbe74b85801f4cae077a26cbaf26919c29f3e5320004c0a63be63

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
SignatureP78b7ln36nr/svBPZp0o86mhJbENqpSTzzRW/7lK4pcmko6O+zmRVEYLlqxNSC00laPvV+4bQxX/4sRDoiWJBQ==
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

2026-09-17T10:33:17.549521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066852
observed b9c8a1cf978c1a19e0538bc830aa01a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.531090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066852/manifest.json
observed f158aab6088bbe74b85801f4cae077a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.512468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066852/publication.md
observed 160700d2b305ce7280c47dac45f386f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.494878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066852/publication.txt
observed 6da8c12f235e75524e3baeb13d15be1d...
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.