OpenTechnical

OT-2026-000015788

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000015788) never changes.

Identity and time

Publication numberOT-2026-000015788 · never reused
Internal UUID01a0ae6e-0c4c-7cd3-ac26-d6f291ca9424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015788
StatusPUBLIC

Content hashes

Canonical textb36189c8e44bb2b0bb2c261fcccf5b4896c10bfffdee90458a843889cdb16ca5
Markdowne31dbb49156638906528a3b1f8b50ea543d84584317539a030958cffdbf16c00
PDF
Publication page9898e0c10b88cadd65df456cac2a0894d1914a94ff8e59d35b8711474f1d0a45
Manifestc25fce785af950a90e12078a315cf7703152f2faf87f1d7a5b0fed7b97b2d894

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
Signatureyp+THY5uyGUeVHFsjIUzsWpM4VnpInR6SxJywXMJgUGKrcGUVzm2/Xx/gI3B3GedmO5ixuuRkFUUjx7mUSJ+DQ==
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

2026-09-17T12:05:05.536673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015788
observed 9898e0c10b88cadd65df456cac2a0894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.519902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015788/manifest.json
observed c25fce785af950a90e12078a315cf770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.502993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015788/publication.md
observed e31dbb49156638906528a3b1f8b50ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.486019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015788/publication.txt
observed b36189c8e44bb2b0bb2c261fcccf5b48...
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.