OpenTechnical

OT-2026-000079634

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000079634) never changes.

Identity and time

Publication numberOT-2026-000079634 · never reused
Internal UUID01a0ae96-0b92-7cfa-8869-c40c760667b3 · 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-2026-000079634
StatusPUBLIC

Content hashes

Canonical text754e1543c64235cc22c439018d7f91cd11ae280e78c1dfd951f5c96806b5cbd3
Markdown6601a72a202b79cf6faf8b02870fa3f091fb6be55b410af0050b2e4af69e509c
PDF
Publication pagedadc969933a0e8653ee779ddd10bc940c2d40ce21281d86a4c70ba77de512ff3
Manifestcae277a5580430426e5f50e8a6ba85c7a49d03da591b7ea647faac82ca680824

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
SignatureGm5J+kYgdBKPZgad4vOAfDdJD/W09056+4TX+1lXj8luVYG+KxBeuagUoLcvgPVhgKO+ihs2ykv2Hd3N7mVhDQ==
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

2026-09-17T10:05:18.132976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079634
observed dadc969933a0e8653ee779ddd10bc940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.116894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079634/manifest.json
observed cae277a5580430426e5f50e8a6ba85c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.098729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079634/publication.md
observed 6601a72a202b79cf6faf8b02870fa3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.081451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079634/publication.txt
observed 754e1543c64235cc22c439018d7f91cd...
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.