OpenTechnical

OT-2026-000019868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000019868) never changes.

Identity and time

Publication numberOT-2026-000019868 · never reused
Internal UUID01a0ae6f-1fb6-773c-9b30-f8d4483081e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019868
StatusPUBLIC

Content hashes

Canonical text027352d44f0756594e9802278eb7d9463ed8ccc005465c7f41afcff62ca95280
Markdown85318660fe3c6ac85ad5c490b2079a8a72b68e4b08edd6fdb6275f65460a4a30
PDF
Publication pagee1fcfe9ee1ab40becab574b6b9b4590134ee777eadc7c204803687db309c108e
Manifest4fe44fcf4fbe081a9f77983ea7525fb7639ee1ee9f2a1d46e5ac05793f36329c

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
SignaturecVoZLZvETkM1SK4w2e+4u5Rtnwata2tlrozTNFUHnzUNse3e3kDPrQ+zvsJcPfsfcNfWbAMDjUTgUbAv3tFADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:04.120918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019868
observed e1fcfe9ee1ab40becab574b6b9b45901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.104908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019868/manifest.json
observed 4fe44fcf4fbe081a9f77983ea7525fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.085937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019868/publication.md
observed 85318660fe3c6ac85ad5c490b2079a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.068524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019868/publication.txt
observed 027352d44f0756594e9802278eb7d946...
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.