OpenTechnical

OT-2026-000033154

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033154) never changes.

Identity and time

Publication numberOT-2026-000033154 · never reused
Internal UUID01a0ae75-4844-703e-ac5e-0f3c757dbee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033154
StatusPUBLIC

Content hashes

Canonical text84314db43d7d3e426d8a43382655db4d0c51969f579775a446cd893316d5e3ae
Markdown3b8aedd02ade74b9255ce6841d947aa855d0a3609b6d9cc68ff6dac4f0e729a5
PDF
Publication pagec6d328d37cb5d111cefc2d59eed8dc1412b60cef5f12219f809eab6ef361ba7f
Manifest274931a2874b170ca761d2b82bd3fdec416ac65d4ac98f367210504f3287e6ee

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
SignatureoK56O5Zn1uikgpFrA77vMZqWfXfALtDJl48tlzNKQnb8d5ZePV2NOkri/ntr58+T+NNbd7L/RoYjpmtI0A9RBw==
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

2026-09-17T11:32:50.494474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033154
observed c6d328d37cb5d111cefc2d59eed8dc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.475981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033154/manifest.json
observed 274931a2874b170ca761d2b82bd3fdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.457682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033154/publication.md
observed 3b8aedd02ade74b9255ce6841d947aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.440526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033154/publication.txt
observed 84314db43d7d3e426d8a43382655db4d...
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.