OpenTechnical

OT-2026-000101389

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000101389) never changes.

Identity and time

Publication numberOT-2026-000101389 · never reused
Internal UUID01a0aea4-0e13-717f-b2c9-20f88b44bb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101389
StatusPUBLIC

Content hashes

Canonical textac85c2afcd038464e39fb5d7fec9c56bc7f366060bb23ff018f33794571bee8e
Markdowneee826d7f65287eca61666c6f28fab98eb06690919fec93355042274b17203f8
PDF
Publication page82f2fca7c55a28a4a2f711e44d27d909ca1c2171e26a89850835afe8294bcc09
Manifestfd7d78b5f6f5776976c5cacffd8092007f39edd7e319f05a3c2f37bc1dc9fb1d

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
SignatureJNXC4zvNU5ehjDsNflVwmOqoMZYwdQ68SpctSQGCv9rGLNcTmtzPd34IUsg06hJz0nsiQViWXcgJJ9bheqVRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:55.153277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101389
observed 82f2fca7c55a28a4a2f711e44d27d909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.135532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101389/manifest.json
observed fd7d78b5f6f5776976c5cacffd809200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.118184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101389/publication.md
observed eee826d7f65287eca61666c6f28fab98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.101387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101389/publication.txt
observed ac85c2afcd038464e39fb5d7fec9c56b...
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.