OpenTechnical

OT-2026-000056308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000056308) never changes.

Identity and time

Publication numberOT-2026-000056308 · never reused
Internal UUID01a0ae87-4bd1-7300-90a5-514d9282209e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056308
StatusPUBLIC

Content hashes

Canonical textd57e856ba12b1389dcb6e183efa8b6599dc31d27a0a85a8e183606e6eab1c6f6
Markdown4858ae8e9f88c9388a94fe8193e6bf992c8b9c501d18f3dbb02865f16bae2cb2
PDF
Publication page26c9c0a211e63ee3c09bacfa05a77a4284a0b03cba6cfa9cdacd5e2dac6e6a23
Manifest27e046704099beb9f97326afbaacf1a1c723c947375cc9450a33b8a4d764d0ae

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
SignaturekZDKCzVnahoBEPEaYL6iYKeGD5YTd5oC6wnHDdV9HyjsES9vV9aAGqSE1LkzIyDJdhF+KxSfXBBPhXlJO8hxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:48.462238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056308
observed 26c9c0a211e63ee3c09bacfa05a77a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.443234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056308/manifest.json
observed 27e046704099beb9f97326afbaacf1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.424273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056308/publication.md
observed 4858ae8e9f88c9388a94fe8193e6bf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.406362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056308/publication.txt
observed d57e856ba12b1389dcb6e183efa8b659...
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.