OpenTechnical

OT-2026-000027532

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000027532) never changes.

Identity and time

Publication numberOT-2026-000027532 · never reused
Internal UUID01a0ae72-6998-7248-884d-aa50cc1f3153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027532
StatusPUBLIC

Content hashes

Canonical texta147fb99be2595b11db876b9159f8f684513ed9432922f8185f34cc2d2a31824
Markdown1fb6ffebc62f3aefda19779aa82868fcdf768a02b4d3c2e1ef607e3aa28e402b
PDF
Publication page8839d3d4d95b8324b86fbdfd37729875fbbb72ee77c9c332e3f8008987b1d082
Manifest0dcaa9818afea54b969bd2b9c30e3ff085b818913ab16b7dfa8fc6a519441c55

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
SignatureV9LzvldnegkJ8lCyNDl++6enBbuO6lcxK7pRpJNxXCMzp7LkJ1FbqSHL9rCWo/swD5yVoEq2nfKnf3vztDPiDQ==
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

2026-09-17T11:43:00.940196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027532
observed 8839d3d4d95b8324b86fbdfd37729875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.921608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027532/manifest.json
observed 0dcaa9818afea54b969bd2b9c30e3ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.898000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027532/publication.md
observed 1fb6ffebc62f3aefda19779aa82868fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.879809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027532/publication.txt
observed a147fb99be2595b11db876b9159f8f68...
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.