OpenTechnical

OT-2026-000047157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047157) never changes.

Identity and time

Publication numberOT-2026-000047157 · never reused
Internal UUID01a0ae7e-d0f9-7ad1-aa77-86fe61e3413b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047157
StatusPUBLIC

Content hashes

Canonical text3db3b633cc76fee939df639191397b2590ee507e7145a09f8988da2b5a1bf4d8
Markdown6ac6763ca8a7f2da95c4a8efeb7809bbc56bfc58b859adf03f4524d9418e25c7
PDF
Publication pageea4ed23d87606611d723661f5f7d384667c0821382c05e343e08ba4850fcb041
Manifeste096cb47ef2a304094a8a75bac48b1c3defc7dc15116393ee17da43cefb08a64

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
SignatureQEu+4bemtMDTfR+Iuz8mPRQDkCDc5r0JBEP0MSToiPJI/Jkrz9sIBQD/Ymg4Dp4EqyoHuksETV1Jz3jTEUOkAQ==
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

2026-09-17T11:10:29.921717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157
observed ea4ed23d87606611d723661f5f7d3846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.900210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/manifest.json
observed e096cb47ef2a304094a8a75bac48b1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.877453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/publication.md
observed 6ac6763ca8a7f2da95c4a8efeb7809bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.856998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/publication.txt
observed 3db3b633cc76fee939df639191397b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.201191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157
observed ea4ed23d87606611d723661f5f7d3846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.181728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/manifest.json
observed e096cb47ef2a304094a8a75bac48b1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.163454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/publication.md
observed 6ac6763ca8a7f2da95c4a8efeb7809bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.144900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047157/publication.txt
observed 3db3b633cc76fee939df639191397b25...
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.