OpenTechnical

OT-2026-000009112

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000009112) never changes.

Identity and time

Publication numberOT-2026-000009112 · never reused
Internal UUID01a0ae6b-31b8-73ad-bba7-59cb01359166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009112
StatusPUBLIC

Content hashes

Canonical textf15113e8be4cc04e12eddb75a2ba8e24044d64f4ac941b29850fd87fdbf90dcc
Markdownf9573ae16cc199244c89d01c569dd49fc82dee0dedf485fde0981c7d0edb5203
PDF
Publication page70ca39341eea8b3b997b3180bf4868f3f2e6c84bd3a97a82f3597fcf340a6e60
Manifestabc95064fce366e3197a0366c6b7dc80a972fd6405566dc63540345a28365972

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
Signaturepf7U2mpZD7bbzOWEHNKABAjOcXmPrBmjP0baU8bTQS94RR4ozlJnufJ24dTcrKvBz3GZnpe/ijqM0HbWYCVMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:47.783063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009112
observed 70ca39341eea8b3b997b3180bf4868f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.759892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009112/manifest.json
observed abc95064fce366e3197a0366c6b7dc80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.739789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009112/publication.md
observed f9573ae16cc199244c89d01c569dd49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.719556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009112/publication.txt
observed f15113e8be4cc04e12eddb75a2ba8e24...
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.