OpenTechnical

OT-2026-000040756

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

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-2026-000040756) never changes.

Identity and time

Publication numberOT-2026-000040756 · never reused
Internal UUID01a0ae79-6d0f-7499-882b-d45084a5a35d · 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-2026-000040756
StatusPUBLIC

Content hashes

Canonical text546d213cdae79ea19247a750939832dde07cf95205b03c25fa2dccdd9f60aa77
Markdown9c6b3fa9d3a7dc6448fd4e8018795fc38b7b3447b87eec4858ffc89591fd29ed
PDF
Publication pagefe9ec47529f91f7962e2c7f25b4b81a73c4a28e0dcc53fa462e533f24061b1cf
Manifest686c2d2a932d34c6bc8ab05d13faa90a8e3a024ee590fd8da32322f09eefef5d

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
SignatureJHxpreBPiyikCMAdd27m7xv9NjRHNNtesq/4Iehz2k/hwyVvFnvTmn0bGA4SkbtC8EGcx4ssJCo/SUCpFSIxDA==
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

2026-09-17T11:20:03.317120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756
observed fe9ec47529f91f7962e2c7f25b4b81a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.299751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/manifest.json
observed 686c2d2a932d34c6bc8ab05d13faa90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.283376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/publication.md
observed 9c6b3fa9d3a7dc6448fd4e8018795fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.265810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/publication.txt
observed 546d213cdae79ea19247a750939832dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.201130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756
observed fe9ec47529f91f7962e2c7f25b4b81a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.183390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/manifest.json
observed 686c2d2a932d34c6bc8ab05d13faa90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.165646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/publication.md
observed 9c6b3fa9d3a7dc6448fd4e8018795fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.147929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040756/publication.txt
observed 546d213cdae79ea19247a750939832dd...
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.