OpenTechnical

OT-2026-000027870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027870) never changes.

Identity and time

Publication numberOT-2026-000027870 · never reused
Internal UUID01a0ae72-a4a5-77af-9a8b-39c4f181c319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027870
StatusPUBLIC

Content hashes

Canonical textc62e7a3c228e507fef46e88974b3c23cce4a428a877cf9dcb476d708947f5d6e
Markdown8c76c5c70f251e0ef3d5b1a7dd40322f50931f0952568f7a40e2eb731536c6c6
PDF
Publication page568cdc796cda7eb89cd81c5fb7d0bf4d3e8bed929c95ed79ee1a510a292325b1
Manifeste1c317c35c227dfb3fe3ca6ebc18dbefadd0198fe91226ec5c82faa636df959e

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
SignaturePWpwS3t8P12l6zg4yITkqKeqPO7EmVnA22vzGhD5kjutYLQ5g3i7RR/lmZ44D0DUa2gWILQQZ5tYth98BbMSAg==
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

2026-09-17T11:42:01.438836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027870
observed 568cdc796cda7eb89cd81c5fb7d0bf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.419432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027870/manifest.json
observed e1c317c35c227dfb3fe3ca6ebc18dbef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.401777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027870/publication.md
observed 8c76c5c70f251e0ef3d5b1a7dd40322f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.383866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027870/publication.txt
observed c62e7a3c228e507fef46e88974b3c23c...
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.