OpenTechnical

OT-2026-000079466

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000079466) never changes.

Identity and time

Publication numberOT-2026-000079466 · never reused
Internal UUID01a0ae96-0b91-7022-8b5d-ef32ba1482a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079466
StatusPUBLIC

Content hashes

Canonical text869a7465c3b7d49760ff5f154359a1ff49b130ead17396838b2bc21f56e5880f
Markdowned0d9173e012fc68de37164e982fcf37360d14d010a8e7a9b14df96654d2713b
PDF
Publication paged04eba7e72a3be3a7a5f933de386bd704ea5959d982db7d0485426c0bfb65915
Manifestd2e8f6b2f75aa8dee774d928901cc9c11e37d2526de79b554339be4c68bbdbf4

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
Signature7E6SP2IQoblybt5IZPiFupg++4aCo8wFN3zFaXXGHmbx/CmHN5tMF/3+LnWSQjS+f8m617jCocRK7HR/pfE1Cg==
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

2026-09-17T10:05:05.290175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079466
observed d04eba7e72a3be3a7a5f933de386bd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.272423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079466/manifest.json
observed d2e8f6b2f75aa8dee774d928901cc9c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.254217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079466/publication.md
observed ed0d9173e012fc68de37164e982fcf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.234202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079466/publication.txt
observed 869a7465c3b7d49760ff5f154359a1ff...
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.