OpenTechnical

OT-2026-000048726

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000048726) never changes.

Identity and time

Publication numberOT-2026-000048726 · never reused
Internal UUID01a0ae80-c32c-7f70-b166-700b4a60315e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048726
StatusPUBLIC

Content hashes

Canonical text563ed707b76360ed3dbc9fca312de6ee6649ef7f86ce006408a2db905a563aa1
Markdownead9f36e891ac8276757232903373dcee2ca91397cb7968abc0e33d6245e80ee
PDF
Publication page64085067ba834259dd80691bf3135a682d44fffa4a95ffc3edf7266100224044
Manifest18a4ccefbc2564d9514b220fcfb8eeb98b55cace5ee465c9d7772653f46095b0

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
SignaturebXysPVZCbTYEeqoDhqXjXiDPRwZDactWEND5fUrqjstB9abRkMzL4ghInVWJ4ZOuT8Rv8RfZ5JYTxFDGlMsUAg==
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

2026-09-17T11:04:22.505176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048726
observed 64085067ba834259dd80691bf3135a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.485190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048726/manifest.json
observed 18a4ccefbc2564d9514b220fcfb8eeb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.465191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048726/publication.md
observed ead9f36e891ac8276757232903373dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.444577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048726/publication.txt
observed 563ed707b76360ed3dbc9fca312de6ee...
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.