OpenTechnical

OT-2026-000046859

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000046859) never changes.

Identity and time

Publication numberOT-2026-000046859 · never reused
Internal UUID01a0ae7e-d0f5-79ef-9046-3d64178954ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046859
StatusPUBLIC

Content hashes

Canonical text11924c9a59936c185111d9c5330f4b14e4b09acf5056139dfff231e2ff4a4817
Markdownb611a4c79fcf4563bb51921c9671d7767ed5a607cabf0a4a7721e5bd104228f2
PDF
Publication pagea8bfbcb10cdb480b49fdbdac745f96637e2e96814bd11f3f4694b3a68cbd74b8
Manifestcbe87a5b08f0c5bda7502861827323e4fbd178f300a94781c0261e1100e716cf

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
SignaturethKRGUzSvQhDRcxMIdOwav8k+2ghHj7wNk2LHD4j5fVIcF2HxbNWXqMZ7d16tEMVTEUZz5aljB2Lon4izEUkDg==
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

2026-09-17T11:06:57.760043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046859
observed a8bfbcb10cdb480b49fdbdac745f9663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.742222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046859/manifest.json
observed cbe87a5b08f0c5bda7502861827323e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.724202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046859/publication.md
observed b611a4c79fcf4563bb51921c9671d776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:57.704709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046859/publication.txt
observed 11924c9a59936c185111d9c5330f4b14...
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.