OpenTechnical

OT-2026-000078924

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000078924) never changes.

Identity and time

Publication numberOT-2026-000078924 · never reused
Internal UUID01a0ae95-ccbd-723d-a1d7-cc10e09e1b87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078924
StatusPUBLIC

Content hashes

Canonical text51c32c13f9a43f287568bf051a23fd997b9013c70dab559941baf52eb1111c45
Markdownc42a65b5e2201bf3164794af2b4cd825a9acdca9272f056a7cb22ab4440db478
PDF
Publication page91e35986168a4559434366c954190c34318ce164e218668880067927e5cc508c
Manifest20d437c7580e98242a12bddf562db53e8e161655c283bffa1632a1d1e4dcce80

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
Signature/vQGOgHaEMHK4AVn73/AS92DKIA3Chu7Wzq/T0eLoQMpDfqGod4YVsn9xiqw2K4GX3h/95ACxFSzja56f3RyBw==
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

2026-09-17T10:05:44.821143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078924
observed 91e35986168a4559434366c954190c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.801542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078924/manifest.json
observed 20d437c7580e98242a12bddf562db53e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.784131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078924/publication.md
observed c42a65b5e2201bf3164794af2b4cd825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.764368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078924/publication.txt
observed 51c32c13f9a43f287568bf051a23fd99...
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.