OpenTechnical

OT-2026-000043700

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, pulsed 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-2026-000043700) never changes.

Identity and time

Publication numberOT-2026-000043700 · never reused
Internal UUID01a0ae7b-92d1-7092-8e9e-0ea54a4ede69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043700
StatusPUBLIC

Content hashes

Canonical text5f14acc8db533851a203b60b068b7720b95af1df33411c48e821017dd5e6a90a
Markdownb38516ee4f0e972c7fd0a44ba68422c73ff3fc60036b54b6e4fe84438f2094a5
PDF
Publication pagebfb2fdf0da35472676564ef049b92c38d5eb231af2126e4cf5316500f4247db7
Manifest3b2c441813dd902e3cd0cf7a5ddf5b2c397c475653ca855154cec35af70f8e13

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
SignatureQjWgZc4+cMEH5BHIXU+KtwUPw/swGCjq39lXaeKFQfQDLUl9Dl3xP5atc9XBj55GiBkgKNGTxEPFolYJsbndDQ==
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

2026-09-17T11:13:11.762007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043700
observed bfb2fdf0da35472676564ef049b92c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.741780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043700/manifest.json
observed 3b2c441813dd902e3cd0cf7a5ddf5b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.723198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043700/publication.md
observed b38516ee4f0e972c7fd0a44ba68422c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.703810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043700/publication.txt
observed 5f14acc8db533851a203b60b068b7720...
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.