OpenTechnical

OT-2026-000057318

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000057318) never changes.

Identity and time

Publication numberOT-2026-000057318 · never reused
Internal UUID01a0ae87-d5bc-7771-9b2f-540faec78967 · 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-2026-000057318
StatusPUBLIC

Content hashes

Canonical text1f8df27b5ec82bcb1a2489479c6e1d2b7db63d26a805e2918fd2adc08a402ac9
Markdown10f09f2baaae45c7f441acb91b2d3facc59faac47912735644f15988bfb50b43
PDF
Publication page2bed214b4eed6337118933359c637d59a174ea4a301233135579e68fc4f0d520
Manifest612c80ea5543a84a24ee77a99a449f52ada547ad1a808a116883231b7cb7f5c8

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
SignatureQLrfsJ8E6RL14cj6G0osn7zteSHBQDeJS42U/kF/fZ2P7PfJn98aVM2mprUwoRnBkGColDhM9qWuYhP/Jh8hDg==
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

2026-09-17T10:50:25.792253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318
observed 2bed214b4eed6337118933359c637d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.773801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/manifest.json
observed 612c80ea5543a84a24ee77a99a449f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.753170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/publication.md
observed 10f09f2baaae45c7f441acb91b2d3fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.733188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/publication.txt
observed 1f8df27b5ec82bcb1a2489479c6e1d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.061467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318
observed 2bed214b4eed6337118933359c637d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.044987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/manifest.json
observed 612c80ea5543a84a24ee77a99a449f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.026517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/publication.md
observed 10f09f2baaae45c7f441acb91b2d3fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.007441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057318/publication.txt
observed 1f8df27b5ec82bcb1a2489479c6e1d2b...
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.