OpenTechnical

OT-2026-000051422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000051422) never changes.

Identity and time

Publication numberOT-2026-000051422 · never reused
Internal UUID01a0ae83-7c7f-7146-a3ae-195c036224f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051422
StatusPUBLIC

Content hashes

Canonical text31da5436920ca0ddb5818b096d1d3379f81f4b9df18760110f9dce4b40ed97e9
Markdown5cd4ffc054ff59bf0cb6871d5d5a43a80bc616530877cb3f42c4c853fceaf3b7
PDF
Publication page5fd908dc2142932bb9139827466b5c624d023cc4cab68ae663562d9a59f9d50e
Manifest8e6e8d84c9d20b39b3c67ff7174a91d8a2cbf0064ad706fd4db6f2cae21cfd4e

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
Signature36a3Ts81MKR6g2RbfRQfWD8fUI3MCDlFKzu1D2vxPI6Ec9A7GqQVVtu2DE0UQ48mfOzhaCd2SCRkO8wAy6dbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:08.355341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051422
observed 5fd908dc2142932bb9139827466b5c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.336338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051422/manifest.json
observed 8e6e8d84c9d20b39b3c67ff7174a91d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.317762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051422/publication.md
observed 5cd4ffc054ff59bf0cb6871d5d5a43a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.299754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051422/publication.txt
observed 31da5436920ca0ddb5818b096d1d3379...
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.