OpenTechnical

OT-2026-000091246

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091246) never changes.

Identity and time

Publication numberOT-2026-000091246 · never reused
Internal UUID01a0ae9c-f16c-7330-92a8-91a3a1e62bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091246
StatusPUBLIC

Content hashes

Canonical text693667e328281b637be32bba16fe4d06188b80a0483b48600879e737169b00ec
Markdowna7c4564e3046ce1d0d6dea420dc18644f906969b68c76c8175bd46ba03ca0415
PDF
Publication page6faf8117c9b3fe67d6d5e096db2ee03ce33fdca736362059e2f72eaab7c9eb87
Manifestc1cb7b76ea7a9abbbfbbe03a8b42f6eb2dac3175a66e09254d97f5a4be32766c

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
SignaturedrHFw5tLyeTBRCv0wp9+p+DaTyB3+lGNW1y1Q94tyUhLIjQ/O0HMHuGYmVMt9Yu5k5jCgo767M+amPitOVUhBw==
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

2026-09-17T09:43:25.286203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091246
observed 6faf8117c9b3fe67d6d5e096db2ee03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.270209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091246/manifest.json
observed c1cb7b76ea7a9abbbfbbe03a8b42f6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.252525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091246/publication.md
observed a7c4564e3046ce1d0d6dea420dc18644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.236508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091246/publication.txt
observed 693667e328281b637be32bba16fe4d06...
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.