OpenTechnical

OT-2026-000040760

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040760) never changes.

Identity and time

Publication numberOT-2026-000040760 · never reused
Internal UUID01a0ae79-6d0f-73c4-89d7-f304157b38e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040760
StatusPUBLIC

Content hashes

Canonical text2d276cb222bded7af1c41f609020bccb2e41da174d4e76c68b459c1b841b8b3a
Markdown2b13f96a4fa5a260c7c4aba1dc244720d2a7f56bef59260a42440fd577a95109
PDF
Publication page143d1afaf1d5aaea809dc34364b4dde0c71b6ae6a4ae0067f20d86f2e9061756
Manifest1101e1d1069d5e59e8752974758f304bd4eb279fd4cfca4c2fb008335a2cb73a

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
Signature60BztFosI6rX8hWlJ5Hyv5/u5I4Qq1hGj5+qbmaOI6/xj9DCYALCRZD5wDor+NuLSUJDzEyxCgYq6QqBaYShCA==
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

2026-09-17T11:20:03.615828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760
observed 143d1afaf1d5aaea809dc34364b4dde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.597049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/manifest.json
observed 1101e1d1069d5e59e8752974758f304b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.579479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/publication.md
observed 2b13f96a4fa5a260c7c4aba1dc244720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.560906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/publication.txt
observed 2d276cb222bded7af1c41f609020bccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.486166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760
observed 143d1afaf1d5aaea809dc34364b4dde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.469725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/manifest.json
observed 1101e1d1069d5e59e8752974758f304b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.450671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/publication.md
observed 2b13f96a4fa5a260c7c4aba1dc244720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.433708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040760/publication.txt
observed 2d276cb222bded7af1c41f609020bccb...
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.