OpenTechnical

OT-2026-000029945

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000029945) never changes.

Identity and time

Publication numberOT-2026-000029945 · never reused
Internal UUID01a0ae73-ac48-7905-92e3-db54e6f5ecde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029945
StatusPUBLIC

Content hashes

Canonical textc6ad072aedbcc4d88cf2b11008c1fdcd44b6bec7c0e3f84d28a26e0917381a3f
Markdownb3789bc4252728b9cf4d688db4b32f1a84e7a3aa437454769dcc4b868aaf4bce
PDF
Publication page47ad81ec2fedfc9ee0303d9493065fa860ca6f9f7e28542571b39bbaf5f3beab
Manifest6a12c81292ef91af7ec0100c8084c38cae8be10587424375ac6f86d68fe35701

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
SignatureuE0tVR99cmhSbkOCavLQrdLPN9G27GRgqmAI6/bjLulQShMW1wj9qfwX+wXULyVivEWNVyScQa0tU/UoD39pAQ==
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

2026-09-17T11:38:39.451835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029945
observed 47ad81ec2fedfc9ee0303d9493065fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.436133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029945/manifest.json
observed 6a12c81292ef91af7ec0100c8084c38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.420418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029945/publication.md
observed b3789bc4252728b9cf4d688db4b32f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.403442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029945/publication.txt
observed c6ad072aedbcc4d88cf2b11008c1fdcd...
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.