OpenTechnical

OT-2026-000061007

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000061007) never changes.

Identity and time

Publication numberOT-2026-000061007 · never reused
Internal UUID01a0ae8b-12f3-7294-bb40-9b512b2c9cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061007
StatusPUBLIC

Content hashes

Canonical text49db392867f896cc4d4701348c7eeadbaa02f8541a977204583488f28080dfc5
Markdownc1d81f10b44802774cb93bfc5c780c38f64430fb8e5a25e5b1092d05202490e6
PDF
Publication page6561552361a3eef620d885cb7e86f8a3a4fb1972a5bb52b7ba0fde7f0b17bb8f
Manifest07a284c4d90e1ce3a8a54281368d7f1887df0e622b16868680b1534a608446d0

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
SignatureWHt7K9PBn/PnYcpAXwITEggomQyvoGnvGgPYZaYUHXBp46fnobG+XShFBj/KAJ7xSRc7dyup0cGJiGI1nEdPBw==
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...

Independent retrieval

2026-09-17T10:42:17.923285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061007
observed 6561552361a3eef620d885cb7e86f8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.906467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061007/manifest.json
observed 07a284c4d90e1ce3a8a54281368d7f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.890103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061007/publication.md
observed c1d81f10b44802774cb93bfc5c780c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.871950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061007/publication.txt
observed 49db392867f896cc4d4701348c7eeadb...
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.