OpenTechnical

OT-2026-000018307

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000018307) never changes.

Identity and time

Publication numberOT-2026-000018307 · never reused
Internal UUID01a0ae6e-b489-7260-99aa-90b012bfbcf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018307
StatusPUBLIC

Content hashes

Canonical text2410baaf141e7e6b8a5f2bdf0f8e9dd53d6bad37cafdc0ede26f90e754aeeb60
Markdown2b7cb7ee5d2ce0d0ddd8cd62186acd21864f093aa84b8951dffe8c26a6d47ae6
PDF
Publication page8d502d8747e9734f1ff1b05f7bb340288678923b28346de36746d4ea14c7e884
Manifest15f3f4d6a37c62f8e616c858469a541493f1c42ad1d3d6ab5eb4b007e26b80ed

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
SignaturegFldvahC/SWfdcW1Ctdi1RtNCFqhOxJ5hKJcRA+woUiKutTF2I3Ti9brv4YrjAxxi/U0tAcsY1BnkpThhTb0Aw==
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

2026-09-17T12:01:02.549204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018307
observed 8d502d8747e9734f1ff1b05f7bb34028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.531702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018307/manifest.json
observed 15f3f4d6a37c62f8e616c858469a5414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.514777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018307/publication.md
observed 2b7cb7ee5d2ce0d0ddd8cd62186acd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.496466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018307/publication.txt
observed 2410baaf141e7e6b8a5f2bdf0f8e9dd5...
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.