OpenTechnical

OT-2026-000076520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076520) never changes.

Identity and time

Publication numberOT-2026-000076520 · never reused
Internal UUID01a0ae94-6a71-7a97-b208-0422e94ca488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076520
StatusPUBLIC

Content hashes

Canonical text394531c510a04e24347d090ebd4475c49043c32a0d640ef0093fdc3bfb92df83
Markdown9d513842a6f958fdbae3f87ae8b011faee9ea48b1cdc32d3269edd94ffec4dfc
PDF
Publication pagebb6844cdcfa3c13d959e334883c15b302a071f26f219d6a18c798944e80ff6de
Manifest1ee7aae135eb2336989f599cd5a883d99b07c5b42fec6a9e85a19f45cd9d154e

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
SignaturelCRG9PVajpcSMRDXo6yfFzKNvr+kVfLmFzVGdv0+MoBnPWEU3tJj/FQEQfS0bs1M47TKFMCR9m79fa38Yfk9Dw==
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

2026-09-17T10:12:50.730045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076520
observed bb6844cdcfa3c13d959e334883c15b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.710698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076520/manifest.json
observed 1ee7aae135eb2336989f599cd5a883d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.691405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076520/publication.md
observed 9d513842a6f958fdbae3f87ae8b011fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.546797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076520/publication.txt
observed 394531c510a04e24347d090ebd4475c4...
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.