OpenTechnical

OT-2026-000068751

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000068751) never changes.

Identity and time

Publication numberOT-2026-000068751 · never reused
Internal UUID01a0ae90-6dcb-7527-85fd-db648aa09247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068751
StatusPUBLIC

Content hashes

Canonical textbdd516f74f432be6532e6ca93356e7192396540fa61222ee57864cdc8d9341ed
Markdown84bbd97b89d85baa7eb12b58a8970e7d7d5f67b009cd7438711438a3c4085cf7
PDF
Publication page2ad2c40133ee466396cc138efda1cbc0af5b6d2d14cbfe8277b72e8ea5879832
Manifestb800b4611049a37128581d78f7a769bae950c31ec2d6e2a1d1b2ba90b40fe2a1

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
SignatureXW5fnjdqIXSJocnK6X/z+f6tDKY45bf4EBwmBJUTvORB/rOcQp2mXfRqyrNueqCQWEsRbYQQDdh43TNgIKL9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:31.929631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068751
observed 2ad2c40133ee466396cc138efda1cbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.912164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068751/manifest.json
observed b800b4611049a37128581d78f7a769ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.894244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068751/publication.md
observed 84bbd97b89d85baa7eb12b58a8970e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.875444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068751/publication.txt
observed bdd516f74f432be6532e6ca93356e719...
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.