OpenTechnical

OT-2026-000087131

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000087131) never changes.

Identity and time

Publication numberOT-2026-000087131 · never reused
Internal UUID01a0ae9a-9f2d-797c-adb8-d0ace4b8dc17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087131
StatusPUBLIC

Content hashes

Canonical textc065f774d54c9d858c69f290850d6364fd8cc073fc3e1a52e037fd060ca5f5b2
Markdown5ee0e467c7e21a54f046cf3de874437b210e5ef151ec3310c2261a200ef8c465
PDF
Publication page671ba8e4f575cb566877ca629dedfd3b525816c25f07c7ee5e4e7288a8ddbdae
Manifest4b91dace67f934ec8f54c738bc1f92e694146169866438d77d2212e4a0c9d2a9

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
SignatureTpVuJOAf4YSLNcgO//yQQHrr/6d36OABazcBK2WnWo/2X7bC3S2CKJMiQsjaW3CT3gXBtDvqrv3jjZP9T0afBQ==
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

2026-09-17T09:51:23.681651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087131
observed 671ba8e4f575cb566877ca629dedfd3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.666914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087131/manifest.json
observed 4b91dace67f934ec8f54c738bc1f92e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.651615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087131/publication.md
observed 5ee0e467c7e21a54f046cf3de874437b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.636565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087131/publication.txt
observed c065f774d54c9d858c69f290850d6364...
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.