OpenTechnical

OT-2026-000042167

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000042167) never changes.

Identity and time

Publication numberOT-2026-000042167 · never reused
Internal UUID01a0ae7a-5d71-7486-8c4f-5214ec364869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042167
StatusPUBLIC

Content hashes

Canonical text14abeebb4d082b889cf09a244186b36a4c797fcb7d377ad1d23cbc05d06a14c7
Markdown4b41092e0546b1ac8fb613f65ee2c13122bab771eb62077f309e920bb206f79e
PDF
Publication page17e385b96d7928468a5e228553b04df2bfe81a80cd9d02f5faf68c481da43b4c
Manifest2277d1d23f74661d3441b55ff1f6df2d1168389fa51a30cb8f4cbbfe2d0c8e8c

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
SignatureUVD3EWE80C+Kx+JpmJsr9bfSoqN0HhuKUSo0X3DtSl+6v0WDwCu9+SNoeHsNP9M5bvlP2+SIGuUc7BuN4NYFBQ==
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

2026-09-17T11:15:49.140536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042167
observed 17e385b96d7928468a5e228553b04df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.120773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042167/manifest.json
observed 2277d1d23f74661d3441b55ff1f6df2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.099602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042167/publication.md
observed 4b41092e0546b1ac8fb613f65ee2c131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.074007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042167/publication.txt
observed 14abeebb4d082b889cf09a244186b36a...
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.