OpenTechnical

OT-2026-000023308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000023308) never changes.

Identity and time

Publication numberOT-2026-000023308 · never reused
Internal UUID01a0ae70-7268-7386-81d9-fb3e50d505d2 · 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-2026-000023308
StatusPUBLIC

Content hashes

Canonical textc63ea8a74abb69037efef79ccd3ccabf71d9c1c64a739fd76dca890a5793aa87
Markdownb2005b3baf27cbea70c0d1fef76cea4e62c98ea2129a2ffbabc852b53c921ace
PDF
Publication page4391a52c13df25238eff723ecfc7729819bc808f59278f4a4554d11da67c041f
Manifestd912569d4c42ca67145e1cb8ff4c82cf447cd3d15d7f05e94c5ecef7535bf775

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
SignaturejoYSXq5ckVDD2EAKyi2ea0WpYP1uI2mUobTzCUVEdppmWkFzwdFOh+pmij1lrhDBXUsVMaYVsVJVlWhnIAeGAQ==
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

2026-09-17T11:51:23.448103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023308
observed 4391a52c13df25238eff723ecfc77298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.428675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023308/manifest.json
observed d912569d4c42ca67145e1cb8ff4c82cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.411855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023308/publication.md
observed b2005b3baf27cbea70c0d1fef76cea4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.395579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023308/publication.txt
observed c63ea8a74abb69037efef79ccd3ccabf...
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.