OpenTechnical

OT-2026-000026715

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000026715) never changes.

Identity and time

Publication numberOT-2026-000026715 · never reused
Internal UUID01a0ae71-f4ab-70ce-8218-84b480db409b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026715
StatusPUBLIC

Content hashes

Canonical textd25c480f80519266ca97eafdbb1e19960154d5128b985b94f609fbc39c0150a1
Markdowna2e1a5623ded2f421a30d77a286928b5578d3ccb82b0ac8ce1a7418d25d099e7
PDF
Publication page1deacfaa4144d493ea438fa73243b3313c2a6a90d2b5f503429590cdf4eea810
Manifest85bae144df5114c78eb2312ee83f09ea1db2ee5fd5b97bec057febf3cc917c7d

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
SignatureJ+Lan3gJuAB91bJBLktewf4LSkI6PcJUPdA9eD45REDc+bu5sM3ZhnKaz4z2dUAB4D0IOcQZJ+XPcS3SQJPCAQ==
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

2026-09-17T11:45:48.686517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026715
observed 1deacfaa4144d493ea438fa73243b331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.668064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026715/manifest.json
observed 85bae144df5114c78eb2312ee83f09ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.648642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026715/publication.md
observed a2e1a5623ded2f421a30d77a286928b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.630661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026715/publication.txt
observed d25c480f80519266ca97eafdbb1e1996...
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.