OpenTechnical

OT-2026-000077602

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000077602) never changes.

Identity and time

Publication numberOT-2026-000077602 · never reused
Internal UUID01a0ae95-2ece-7d83-894f-4380caff8d2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077602
StatusPUBLIC

Content hashes

Canonical textd50cf195e82986356a25a2a2f78bcd673fe27a9e247f77a28dbcd036b35bb894
Markdown2906fa35053b4bc222a74a918a4708b7d822feb036ef472994fc9ed6342116c5
PDF
Publication page2f832cc4a8ba8371fe83a23ea4402d36593cd31f05cdd7262f6b5c2cef589b06
Manifeste5129f52ffaea36382583145643547fe93cd0f79ab3b01c7b24c709fb21609e3

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
SignatureGOQo8Do2qGwIsPg6YhsHcttBWe9/ynQCVdfJEpCXsQEny9C1+NLFt0lJ3K2PJ0GazdBc13vLeUfdxjf6ObzcCg==
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

2026-09-17T10:07:09.656652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077602
observed 2f832cc4a8ba8371fe83a23ea4402d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.636375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077602/manifest.json
observed e5129f52ffaea36382583145643547fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.504985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077602/publication.md
observed 2906fa35053b4bc222a74a918a4708b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.487035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077602/publication.txt
observed d50cf195e82986356a25a2a2f78bcd67...
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.