OpenTechnical

OT-2026-000018178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000018178) never changes.

Identity and time

Publication numberOT-2026-000018178 · never reused
Internal UUID01a0ae6e-b488-73bd-a9c3-50655dcd95e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018178
StatusPUBLIC

Content hashes

Canonical texte3b7ac1be94a952fa07ddc6be2087b5617234db3922c327a72f2b14cea31c326
Markdowned4bd816f08b932e9750a15c8a412b7bf62537a1ad8ac596081ab84b6fff357e
PDF
Publication page54a4251d581a1d22391a90143c60fc9c0fdf537933c468f70cdaa8788453f308
Manifest8723ced43a0769b6cd15176e13c845cc5b81b43c7fb1d187b239237bf037752c

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
Signature2986IFBGcgAEBIoqc7nG6tYWDPq1KuyoRrSpOUfsP7uYtqG+4ITSq6UlJAYFXm7tPEsAvJ/OAEKQTdAPATQ+Aw==
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

2026-09-17T11:59:57.172541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018178
observed 54a4251d581a1d22391a90143c60fc9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.154844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018178/manifest.json
observed 8723ced43a0769b6cd15176e13c845cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.136713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018178/publication.md
observed ed4bd816f08b932e9750a15c8a412b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.120203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018178/publication.txt
observed e3b7ac1be94a952fa07ddc6be2087b56...
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.