OpenTechnical

OT-2026-000025857

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000025857) never changes.

Identity and time

Publication numberOT-2026-000025857 · never reused
Internal UUID01a0ae71-a83e-7a0f-b2c9-fc8831a2c2b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025857
StatusPUBLIC

Content hashes

Canonical textdc3c36cc6e3a131e2098768bd2f2a0ac461ce6199c418460efa8226f3579807e
Markdown0513427b555ba721269dba5da0d10625a48946435f8983d99dfa63abf1a94a82
PDF
Publication page8f79f307201498705deb990c30ccf75ffd2e80560e01c57688533c5ec11e7317
Manifestb2399433db236f1fbd693d3d17944799c72370a20d47d6f6c67d6609833c434a

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
SignaturekZwknTk6SEifOBkjGVTUFhIe9wEDCJQAN6fwPJm5muQGteywoJpfO4Cf0fCNFuJ7WFuulZDWpxq+bJzoTBDPBw==
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

2026-09-17T11:46:05.172675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025857
observed 8f79f307201498705deb990c30ccf75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.156546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025857/manifest.json
observed b2399433db236f1fbd693d3d17944799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.141311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025857/publication.md
observed 0513427b555ba721269dba5da0d10625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.124176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025857/publication.txt
observed dc3c36cc6e3a131e2098768bd2f2a0ac...
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.