OpenTechnical

OT-2026-000017052

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000017052) never changes.

Identity and time

Publication numberOT-2026-000017052 · never reused
Internal UUID01a0ae6e-591b-7556-8ce7-967dcfac5e89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017052
StatusPUBLIC

Content hashes

Canonical text5341fbe6b274700b55a41599debfbf147df3fd784c0a8e7eaa5fb18d7c69b8b4
Markdown36c51f570904a8df0209ca8e77d07217541d92b61c9844da52c308c499b14df6
PDF
Publication pageb6b7c5c71dccd41b735c8d3d86853f6016195f6a114ff32d5b6af7674fcffa67
Manifest0b55c8ff09da56a3fb47998d5874e313f2ac5bf5cf846d64cb3d0047b68c6a29

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
SignaturenFsGzdvS/3AAWT45S+h98jFH9wWyt5qzSEGPHZFDL94NRwUwIl2sNIUPFtAjT6b2lPsyVuXwRTVRxxqRReRZBg==
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

2026-09-17T12:03:28.144260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017052
observed b6b7c5c71dccd41b735c8d3d86853f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.126736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017052/manifest.json
observed 0b55c8ff09da56a3fb47998d5874e313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.107863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017052/publication.md
observed 36c51f570904a8df0209ca8e77d07217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.090518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017052/publication.txt
observed 5341fbe6b274700b55a41599debfbf14...
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.