OpenTechnical

OT-2026-000023462

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023462) never changes.

Identity and time

Publication numberOT-2026-000023462 · never reused
Internal UUID01a0ae70-7269-7991-8a33-dd4e57b4ebcb · 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-2026-000023462
StatusPUBLIC

Content hashes

Canonical text982eba87806dc1e4456633435e7809e125f86db931ff47ade681a97e9370ffff
Markdownc46031b02ed3d9e6baa41e4ed7538013f1f0df4db95f9b31aa2d1e2712e0d3b7
PDF
Publication page9b4999000fad3a75f5e4fec970eb968a5ef1f63aad1d8fa74b092c5e371e816e
Manifestd5102823eb0f71c9036ee453fb52ac583bef0070fdd329769bb98057d2ba7f0d

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
SignatureduCdUlpW+0TRQNhk2O9p6XiMRsCRcfA8yDUdXxVUMr7qAbE2yJjN2YafVaDO7KqV2WXjvgDgu0K1QknvEL1rAg==
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

2026-09-17T11:51:40.924180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023462
observed 9b4999000fad3a75f5e4fec970eb968a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.907607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023462/manifest.json
observed d5102823eb0f71c9036ee453fb52ac58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.891868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023462/publication.md
observed c46031b02ed3d9e6baa41e4ed7538013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.874673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023462/publication.txt
observed 982eba87806dc1e4456633435e7809e1...
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.