OpenTechnical

OT-2026-000029212

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000029212) never changes.

Identity and time

Publication numberOT-2026-000029212 · never reused
Internal UUID01a0ae73-2aa0-791a-96eb-fd3bba0a0ccf · 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-2026-000029212
StatusPUBLIC

Content hashes

Canonical textdc70596a1633df353b3d70c4fe8091cc3c0e8affd68f1c70a0d1cb0fdb2a0811
Markdownbe8b11cf05a1e4da42b41c1cea9b76d6c6c38de030a6ac16a8f3a930974826e6
PDF
Publication page0b792f619932b6dd5d636c7a3693cd23e508483ee5336600f07bf38d6e933d91
Manifestda86ad3a4355c703f7fe5cb4d7a2d4586615eb95741a408d01a35ec40303948e

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
SignaturesRAA88vrilbNC2fHoIhjNOqVwiLhc4U72PyBTaLPrG/u6D3Vswg1U0dieFp/HoC8/JNYE3oqX2SbeMZI37aABg==
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

2026-09-17T11:39:49.817252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029212
observed 0b792f619932b6dd5d636c7a3693cd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.799495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029212/manifest.json
observed da86ad3a4355c703f7fe5cb4d7a2d458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.783561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029212/publication.md
observed be8b11cf05a1e4da42b41c1cea9b76d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.764913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029212/publication.txt
observed dc70596a1633df353b3d70c4fe8091cc...
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.