OpenTechnical

OT-2026-000042075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000042075) never changes.

Identity and time

Publication numberOT-2026-000042075 · never reused
Internal UUID01a0ae7a-5d71-7330-aa62-0ac4fe8a4de2 · 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-2026-000042075
StatusPUBLIC

Content hashes

Canonical texta3fe4d4f81941eca80d6e9227c6f03f75794199fdb6b016ab6eb3e32091e1497
Markdowned88bc38ad627f4ae7588c6e73439671e1ab0d3d7d76d4b7bdfe8bcac76407a7
PDF
Publication page6ef913d0c6b5091d9308201fcd32723f4a77d9b0a0d1336c1e6586d30ecc7ae5
Manifest114791f84967526d5bd9ccb44367da7681bca47e1d48e11d7cad75d249948b43

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
Signature/xnQqfFAnSNu5uASV/MLFDNAgQ2Tb40NUoh8z0UM8/8/OnjhkWsCjw56EnkpkBVlP6De3VbHdSAU2+ZabC16Ag==
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

2026-09-17T11:15:36.006429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042075
observed 6ef913d0c6b5091d9308201fcd32723f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.989296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042075/manifest.json
observed 114791f84967526d5bd9ccb44367da76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.971575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042075/publication.md
observed ed88bc38ad627f4ae7588c6e73439671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.953767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042075/publication.txt
observed a3fe4d4f81941eca80d6e9227c6f03f7...
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.