OpenTechnical

OT-2026-000023444

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-2026-000023444) never changes.

Identity and time

Publication numberOT-2026-000023444 · never reused
Internal UUID01a0ae70-7268-72c3-91ab-d1ed26fc5311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023444
StatusPUBLIC

Content hashes

Canonical textc15ec1a95809320648a71b0819349406797328543fb257417db6a0a9b8b94bda
Markdownd28825d0b28461fd28232ec172c35113097a4ee57d552a8a5315a5da1bead96f
PDF
Publication page93c5fc56c4a638165b9c594d4619cd151f2e25ce3a8d3ee2b191ba057c7e2ba2
Manifestfe84eacc411527cd76ef06dfd72b9c13408faf6bd4de26b9ea9e976d1aad57ac

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
SignatureBFzKkIvSomi/fExGojYb2DTzPi8j0vocThtn9oELpBieqTyaMUeHDe+TT9wKTVaX39Tm5HU2RQmOKhc0fMPcBQ==
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

2026-09-17T11:51:39.600428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023444
observed 93c5fc56c4a638165b9c594d4619cd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.584377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023444/manifest.json
observed fe84eacc411527cd76ef06dfd72b9c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.567619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023444/publication.md
observed d28825d0b28461fd28232ec172c35113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.551583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023444/publication.txt
observed c15ec1a95809320648a71b0819349406...
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.