OpenTechnical

OT-2026-000022192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000022192) never changes.

Identity and time

Publication numberOT-2026-000022192 · never reused
Internal UUID01a0ae6f-f4fc-745d-b7be-1096cd8fe040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022192
StatusPUBLIC

Content hashes

Canonical text9181a39807586a6118b2fb24b054a1f4f3cb8418c781c3599693c93cb5f9ae07
Markdownd9f97d4bd71c72f9740f772690d88f1f6ef6d1698f1e73cafd9f73a709ae712c
PDF
Publication page3729c58db66097730c25de300c9a146f6356b76e903e8f63e3dbcff7b60eafbe
Manifest12d0407c4f165535e10bd64e6af4c94b62feab2d5156abd63185a6ba33152493

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
SignatureZpCCYulkBFDXJrOpjDuTaRwrg9ei8MLsPGrHh/WG9EUnXwya0V+PJN9x2aIsL3ynWXnF5ghGcXMtYr7qsOKSAA==
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

2026-09-17T11:52:52.563823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022192
observed 3729c58db66097730c25de300c9a146f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.546492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022192/manifest.json
observed 12d0407c4f165535e10bd64e6af4c94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.529333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022192/publication.md
observed d9f97d4bd71c72f9740f772690d88f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.510935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022192/publication.txt
observed 9181a39807586a6118b2fb24b054a1f4...
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.