OpenTechnical

OT-2026-000032797

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032797) never changes.

Identity and time

Publication numberOT-2026-000032797 · never reused
Internal UUID01a0ae75-4841-7294-9235-710eac0b4960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032797
StatusPUBLIC

Content hashes

Canonical text0f1c552ec3e75a3aa3375e5da4c378ddb43a6356b0bec9ce87b6cdeee149eaca
Markdown96f0ff249ceee8292b57333555081655bea4350c9a22240ee83c0774e3c9cf86
PDF
Publication page36993ab94121e388313bbf93d8c91ad6eda4a77f97900bda6145aa91c9a28972
Manifest239e2c6069a6399acb86a6a8ef25bf6a1e4981cbd00fe43c7387ba60f9a9d470

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
Signaturesvnu3UIdrQg/3e37vtUJjg2aH9tBB5Bd3eHDdT2r9fhzobr7uNTWonRXbCPN++wRZ6WvcVs7eghY+w+bloklAg==
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

2026-09-17T11:32:14.566886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032797
observed 36993ab94121e388313bbf93d8c91ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.548579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032797/manifest.json
observed 239e2c6069a6399acb86a6a8ef25bf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.532263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032797/publication.md
observed 96f0ff249ceee8292b57333555081655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.513933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032797/publication.txt
observed 0f1c552ec3e75a3aa3375e5da4c378dd...
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.