OpenTechnical

OT-2026-000040905

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000040905) never changes.

Identity and time

Publication numberOT-2026-000040905 · never reused
Internal UUID01a0ae79-6d10-71c3-86a4-c2cb78980fa7 · 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-2026-000040905
StatusPUBLIC

Content hashes

Canonical texta2f4b208caa8456be018efd9fe202a6922326477567fa4c4a12e9f784668049d
Markdown4e868c50ce930d51dc37e374ab130d3c4182a463ee4fffd6159bc440c2269de7
PDF
Publication pagedad196d6b3b49902ec8696502f8bf4bb57f313f3f61d5904048e2cbf9e849b8b
Manifest6eda936ade3d9022d797a34d7d2b63be98ea9d158779542daf4499f108062ec5

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
Signature8wIdW4x5st7zDJw7jYDhDtb1ft08v3CPwpEwNcSHfGzQ3uihI8mmhd4llXuZq567tOqtLKJVN2LhZFoiY/27BA==
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

2026-09-17T11:20:17.273261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905
observed dad196d6b3b49902ec8696502f8bf4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.253792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/manifest.json
observed 6eda936ade3d9022d797a34d7d2b63be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.235416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/publication.md
observed 4e868c50ce930d51dc37e374ab130d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.215087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/publication.txt
observed a2f4b208caa8456be018efd9fe202a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.429666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905
observed dad196d6b3b49902ec8696502f8bf4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.412591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/manifest.json
observed 6eda936ade3d9022d797a34d7d2b63be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.392830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/publication.md
observed 4e868c50ce930d51dc37e374ab130d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.373400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040905/publication.txt
observed a2f4b208caa8456be018efd9fe202a69...
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.