OpenTechnical

OT-2026-000057246

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000057246) never changes.

Identity and time

Publication numberOT-2026-000057246 · never reused
Internal UUID01a0ae87-d5bb-7f83-951b-276f5ec70dc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057246
StatusPUBLIC

Content hashes

Canonical text413083dabc2dce6a5454377f1af24912c54150c698451f2dbad2e9985cd77047
Markdown8860bc93510de77c6db093d79d78fb798a1cce1e757f71d788b75f268bf92d90
PDF
Publication page9b9b9ab48910b0df916eae833ddd72b1ed8ec08eff7c5e5a28e132a277090327
Manifestfe4dcfc0d349045258f81bd4cf1ea5342fac3e36e9011b8549fdf9d85c35eadd

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
SignatureYHLiWZlxC/MlPSibo8azBvZTnW2zfHBISIA3GbOGH8S8HgIfKzoNLhM4qy+RiwrLKKZ4xqo0QbtIVQ9wkR12DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.758921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246
observed 9b9b9ab48910b0df916eae833ddd72b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.740986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/manifest.json
observed fe4dcfc0d349045258f81bd4cf1ea534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.722337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/publication.md
observed 8860bc93510de77c6db093d79d78fb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.704065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/publication.txt
observed 413083dabc2dce6a5454377f1af24912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.365478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246
observed 9b9b9ab48910b0df916eae833ddd72b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.347837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/manifest.json
observed fe4dcfc0d349045258f81bd4cf1ea534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.329838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/publication.md
observed 8860bc93510de77c6db093d79d78fb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.311676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057246/publication.txt
observed 413083dabc2dce6a5454377f1af24912...
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.