OpenTechnical

OT-2026-000034511

Publication integrity record

Three cup vacuum gripper, three zone face, pump 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-2026-000034511) never changes.

Identity and time

Publication numberOT-2026-000034511 · never reused
Internal UUID01a0ae76-1ed0-77d2-bdf7-bbcde47e33a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034511
StatusPUBLIC

Content hashes

Canonical textca7051b4d484321dda617ca5ff36b6672a7ac350f2eda6ad9d629ce1da66aab3
Markdown5d6de7ebeaed7a973a68b2a866410c69efebcdeb2763a1f7a3d8307574f063de
PDF
Publication pageea9ef05056890b7591082275512e965e2c82f66f5cee66290dde5bf0a5a32536
Manifest3efa01a2a1695835f12e0fd559ef8cc11667b0cdcbfa27b6efe36904dd970e72

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
SignatureiFaPy2AE6cQXqPeY8yJBKTbncknqnked5PNt3yRzdgejc7U2W4t63yanjI+axyNDpBL9N4N++MRWPCxgDBGMAw==
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

2026-09-17T11:28:51.688503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034511
observed ea9ef05056890b7591082275512e965e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.670617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034511/manifest.json
observed 3efa01a2a1695835f12e0fd559ef8cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.652797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034511/publication.md
observed 5d6de7ebeaed7a973a68b2a866410c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.634433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034511/publication.txt
observed ca7051b4d484321dda617ca5ff36b667...
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.