OpenTechnical

OT-2026-000103213

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000103213) never changes.

Identity and time

Publication numberOT-2026-000103213 · never reused
Internal UUID01a0aea4-be3e-71d5-a63b-c0ed727f70fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103213
StatusPUBLIC

Content hashes

Canonical text28ee479fc16df63b4aac2b8aca4fc0e19eb9729a4ce9f417fd21acd2d087fb09
Markdownfb02b50f6530530a1ab853636c703159cadba0d04daa6ac1c71252fca229a43a
PDF
Publication page2e18754a6658aa75f58acf9d2bb5c4ec48731d5dd38c253f7065ae30c8ff5a43
Manifestf0db1efa1820ba473025b5648bcba21b599afd9aec1fc2fe1b359b8f5653ee90

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
SignaturehzeYtPGtjbBhSoXE+ra7q3iEZxoyQPlue5t58bGd8kGae2F1ZuqmeeMR3XSHv0NbJbnmAwBMFAAzO2nRSXWcAw==
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

2026-09-17T09:23:26.494801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103213
observed 2e18754a6658aa75f58acf9d2bb5c4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.477720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103213/manifest.json
observed f0db1efa1820ba473025b5648bcba21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.459557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103213/publication.md
observed fb02b50f6530530a1ab853636c703159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.441923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103213/publication.txt
observed 28ee479fc16df63b4aac2b8aca4fc0e1...
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.