OpenTechnical

OT-2026-000029140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000029140) never changes.

Identity and time

Publication numberOT-2026-000029140 · never reused
Internal UUID01a0ae73-2aa0-7db8-9223-80e1bdfe58b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029140
StatusPUBLIC

Content hashes

Canonical text5dbe08d5ac7fce37e4ef234f746de80e4732f9a7d74c7306f3459fa19d3f787a
Markdown3e877a0701cd306d5a0bd269d5033bbbf00577f27d9b8d7b0be86ef374934954
PDF
Publication pagefb133f3de80e1ec3144fd444c10b5eb9368e3c386b3a0a2fb4aece2147d08c55
Manifest2e2eb9a25c15f84697eabbc1105c3922a72ce12027e76f89124a411d0f221d1b

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
SignatureHGys/wjvR1+MBoHeiPLBNn1C3v+X60HtB863ItmSzAW/XLeY5umY4XEU3WAUz+ilPoWvSWgczm96IgYk2P+gBQ==
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

2026-09-17T11:39:37.564792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029140
observed fb133f3de80e1ec3144fd444c10b5eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.547580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029140/manifest.json
observed 2e2eb9a25c15f84697eabbc1105c3922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.531072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029140/publication.md
observed 3e877a0701cd306d5a0bd269d5033bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.514185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029140/publication.txt
observed 5dbe08d5ac7fce37e4ef234f746de80e...
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.