OpenTechnical

OT-2026-000057222

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000057222) never changes.

Identity and time

Publication numberOT-2026-000057222 · never reused
Internal UUID01a0ae87-d5bb-72bc-8aec-28d6ef68412f · 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-2026-000057222
StatusPUBLIC

Content hashes

Canonical textb7906c6f4988f43e103b9e2d9ba9e6d35993b836af441969e8c59087a3a6d1e6
Markdownf390d48e5b0f223e048eb699943ee1da46d95dbd6a8155529e4abd018311e418
PDF
Publication page7f0b8843a329cee0c4a7d7439103105db1f481508379a82c0ed8e3869ef82927
Manifest1fa8302e4274f325f0e8de73b4d492cbefaa2921e814e3a3af534e39646d546d

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
SignaturesYUnQfZ8XMEhvvoMFTgbmS39JMSw/trcvAzddAn+XSSXon/eoyo8Q6UadCryzzGXLjZBANZy9k5q/1YH6cm3DQ==
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

2026-09-17T10:50:16.652666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222
observed 7f0b8843a329cee0c4a7d7439103105d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.636861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/manifest.json
observed 1fa8302e4274f325f0e8de73b4d492cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.618496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/publication.md
observed f390d48e5b0f223e048eb699943ee1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.597962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/publication.txt
observed b7906c6f4988f43e103b9e2d9ba9e6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.311871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222
observed 7f0b8843a329cee0c4a7d7439103105d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.295259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/manifest.json
observed 1fa8302e4274f325f0e8de73b4d492cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.278961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/publication.md
observed f390d48e5b0f223e048eb699943ee1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.262205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057222/publication.txt
observed b7906c6f4988f43e103b9e2d9ba9e6d3...
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.