OpenTechnical

OT-2026-000029350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000029350) never changes.

Identity and time

Publication numberOT-2026-000029350 · never reused
Internal UUID01a0ae73-5e20-7a1f-af3b-41e4dc36f337 · 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-2026-000029350
StatusPUBLIC

Content hashes

Canonical texte47544a1d778b6406501b1af307d783b810bb945a406e6e28b559bb801788cd8
Markdown52e562a6b0832d1f5521d6a369ae4faebd24fed1d38a75de5863b9db9fcd5542
PDF
Publication page39000c4c1eb63a00f4c17a1ff7a1c6e7c23f736b03b3db30cf167139b25071d9
Manifest3ae7e1b41070e2302fbb40ad998cd6861999304989ec048e786cd1ac473d7e6b

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
SignatureyGhn/hJA2xpx1OLAp5D0/EpRVLKeX6c4QlWdWfqENaCE6n9r+Rjz0wUVicb/I3a16P3yRH7kKVhhqTW9n5a2Cg==
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

2026-09-17T11:38:54.233214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029350
observed 39000c4c1eb63a00f4c17a1ff7a1c6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.213987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029350/manifest.json
observed 3ae7e1b41070e2302fbb40ad998cd686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.196188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029350/publication.md
observed 52e562a6b0832d1f5521d6a369ae4fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.178854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029350/publication.txt
observed e47544a1d778b6406501b1af307d783b...
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.