OpenTechnical

OT-2026-000033920

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000033920) never changes.

Identity and time

Publication numberOT-2026-000033920 · never reused
Internal UUID01a0ae75-a392-72c2-9f2c-a87de9c3018b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033920
StatusPUBLIC

Content hashes

Canonical text395bf1938955421361cedd4181abd7d42745d4e29043236ea3cbf81befd48bf5
Markdowned4c78b11a9b24d5c3fe3878bf8e81a12c536ffaedb3764d5d108a86f3565ca6
PDF
Publication pageed4213f40f7078f9db94cb5e6f7a5630bdfc32f630f8405532311eebc66b5532
Manifestb92546187b856ba2b7b8e680e6eb4e6a5e5c587940058087a945276c63cbb96d

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
Signature41B+z8/y4bDmQvlQlKWaio5DhB5fGqL2T/49rA3qytiTQSos9GGbfq3th0jAq9I+ZYsyX7TtcvWHPbq/Ry3yAA==
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

2026-09-17T11:32:00.190135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033920
observed ed4213f40f7078f9db94cb5e6f7a5630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.171653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033920/manifest.json
observed b92546187b856ba2b7b8e680e6eb4e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.151991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033920/publication.md
observed ed4c78b11a9b24d5c3fe3878bf8e81a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.133849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033920/publication.txt
observed 395bf1938955421361cedd4181abd7d4...
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.