OpenTechnical

OT-2026-000078602

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000078602) never changes.

Identity and time

Publication numberOT-2026-000078602 · never reused
Internal UUID01a0ae95-7c29-7619-921b-976a6677c323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078602
StatusPUBLIC

Content hashes

Canonical textbd363f792d56107bc1695d9a355b54ad0d2d473f4150eed3e8ad6f4573691a1f
Markdown5695fae91439b314276dffa614e47e8871c2b62b1e5bde75a594b6c9bb5ca954
PDF
Publication pagead70fe372eeee9ea3738ff3d57c0c4d4b8fd834637a7f2c615ccb056d5b66dc3
Manifest7bb5e2dbfd7f7b5c46f8e499dc5ccaddf1a1120523fa5a30f43a2b2cf445d9a8

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
Signatureuor7PEMCeoeyBLNaOtWc2mDLfhocZyhkAguEQuUQ9pQsdP8nVbUBolgs6uHBM52i+TMW8g2HtpINxgusM/gRCA==
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

2026-09-17T10:06:38.092444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078602
observed ad70fe372eeee9ea3738ff3d57c0c4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.073033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078602/manifest.json
observed 7bb5e2dbfd7f7b5c46f8e499dc5ccadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.055152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078602/publication.md
observed 5695fae91439b314276dffa614e47e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.036664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078602/publication.txt
observed bd363f792d56107bc1695d9a355b54ad...
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.