OpenTechnical

OT-2026-000029012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000029012) never changes.

Identity and time

Publication numberOT-2026-000029012 · never reused
Internal UUID01a0ae73-2a9e-753f-9836-992ebb8414f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029012
StatusPUBLIC

Content hashes

Canonical text6e3ce2228a89df27fd991875b7e9ee303403f365fd0aaeee26bc2ca5b98f07db
Markdown857ea633e43958fcbec166d1f90bc071fd728e25075696929ff47bfedb194d3d
PDF
Publication page3eef8eee3ec783b5438473a196334d53c13b14892b9c21ee1b72145c24a11391
Manifest4e4d3385c1a2cf5f72fe1b5eac29c5f50b901f0313cfdc717bbacd16b4a68ebd

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
SignatureCeJc5W7WhzUJ7lmGhbS7JLJ0ao6MUZ4SZan82xP1NpfJ7fSI3uDSfekd4x8xdhN61y4Zb7f39ojjGsSsryqCDw==
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

2026-09-17T08:20:35.010410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029012
observed 3eef8eee3ec783b5438473a196334d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.992231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029012/manifest.json
observed 4e4d3385c1a2cf5f72fe1b5eac29c5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.973611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029012/publication.md
observed 857ea633e43958fcbec166d1f90bc071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.957106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029012/publication.txt
observed 6e3ce2228a89df27fd991875b7e9ee30...
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.