OpenTechnical

OT-2026-000029332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000029332) never changes.

Identity and time

Publication numberOT-2026-000029332 · never reused
Internal UUID01a0ae73-5e20-7672-88b6-13ab1e3775e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029332
StatusPUBLIC

Content hashes

Canonical text69b9438488f3e30b1ea20be305d60788ec6d291bc758b022dee5ca8847204b1a
Markdownc6e6349c166a7fafdd9b4101be48a1525e4cec3ec0865b1ddb9a1489e1182da6
PDF
Publication page83cae914029548b546d56d3c6c3ca9714dd083dcc9a63a869429128273b38f10
Manifestf46c74a30c97f212b03e15e02493c477f84d7acca5be7e9c70abb90486e76655

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
SignaturedIF+RkK8jwc+ZkjP7K5vYg0f9X5S6PpqMousWhCepKvAr/VWQZ+slpPQ/4lzj7zKT0r5k6NlSZ7xsW5p2opGBQ==
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

2026-09-17T11:38:52.758049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029332
observed 83cae914029548b546d56d3c6c3ca971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.736561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029332/manifest.json
observed f46c74a30c97f212b03e15e02493c477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.717224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029332/publication.md
observed c6e6349c166a7fafdd9b4101be48a152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.698381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029332/publication.txt
observed 69b9438488f3e30b1ea20be305d60788...
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.