OpenTechnical

OT-2026-000033427

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000033427) never changes.

Identity and time

Publication numberOT-2026-000033427 · never reused
Internal UUID01a0ae75-8980-7411-87dd-e9561414b3ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033427
StatusPUBLIC

Content hashes

Canonical text6f3306b6e4cfaab50e85ee4a1e267c47a557d0abd26645d14b88da6d9e17d1a2
Markdown9dbdde32b4772dcaf58651aff8ed716d3ad47ab97a48638cd36bce984cc10ba5
PDF
Publication page81e877684c2d5c3c3b1cfb8dcf06c36738927c4d622f8582bbe240a811aece5d
Manifest7b8a31717c218cd6708f707080013e829c91f230a06361d79e5772e838e665f9

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
Signature2JVt5cH4bpCXGliUZzNoSLQ8hni66IW5xyjsePmBpdkq9IgxMYaoDA//cuTqMKjYU500WZSi0xQo/7E4Jf3YAg==
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

2026-09-17T11:32:12.865371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033427
observed 81e877684c2d5c3c3b1cfb8dcf06c367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.847757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033427/manifest.json
observed 7b8a31717c218cd6708f707080013e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.830053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033427/publication.md
observed 9dbdde32b4772dcaf58651aff8ed716d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.813446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033427/publication.txt
observed 6f3306b6e4cfaab50e85ee4a1e267c47...
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.