OpenTechnical

OT-2026-000017327

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017327) never changes.

Identity and time

Publication numberOT-2026-000017327 · never reused
Internal UUID01a0ae6e-76c8-7c98-83bd-c07842526f8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017327
StatusPUBLIC

Content hashes

Canonical text25898057672a175994dc0e4bc87ff70d8c557dca04434d69668b68f357d84e3a
Markdown4087ad473a7f842180ae61d6b33216ca72cf309314397c8aaf151e15dcfd1d00
PDF
Publication page13f587080e08eb51bb80cedbe4ad5b83eb90557ec0587741744c16f58d786907
Manifestdd48d5f4105e5ff416b6fb973ae2d6152839e2bce5bb40a9bab7fda627881632

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
Signature+16+dpz/kpGl2pm4+wLAq2IXlI5utmIO+c3Nw+nIeTWtL++c7OZKpO412FXqZoSoQiRYiEFM3w2ryIpXFaR5Dg==
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

2026-09-17T12:02:25.963189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017327
observed 13f587080e08eb51bb80cedbe4ad5b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.946445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017327/manifest.json
observed dd48d5f4105e5ff416b6fb973ae2d615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.929227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017327/publication.md
observed 4087ad473a7f842180ae61d6b33216ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.912338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017327/publication.txt
observed 25898057672a175994dc0e4bc87ff70d...
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.