OpenTechnical

OT-2026-000066333

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000066333) never changes.

Identity and time

Publication numberOT-2026-000066333 · never reused
Internal UUID01a0ae8e-8dc4-7e3f-8e88-c0195c35a491 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066333
StatusPUBLIC

Content hashes

Canonical text70c9db9c83980c410978e4f5edf4a27883ad59d3e2c9671ac8cf66f5fe640661
Markdown9607be71ab68684dec15fd8a9a7faba0fe916e7b7b272945366855c58ce04ea2
PDF
Publication page7b04b4303bb80cf9e29fb460c836b44b353957b4145701d12edde11f41660e66
Manifest3cccb4c25f6b091796417c927c9515a2a6d44be9249f80b53f73e74e3822a987

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/kxVATU4aaV+jYalloaZEHkL0FEY3VL0DcQdKst3K5A5L+6Mp5lwWVbUTYwsYgFD0PPm8o2d2PM1wYPERgPGAg==
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

2026-09-17T10:33:31.568093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066333
observed 7b04b4303bb80cf9e29fb460c836b44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.551641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066333/manifest.json
observed 3cccb4c25f6b091796417c927c9515a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.535280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066333/publication.md
observed 9607be71ab68684dec15fd8a9a7faba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.518781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066333/publication.txt
observed 70c9db9c83980c410978e4f5edf4a278...
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.