OpenTechnical

OT-2026-000056506

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000056506) never changes.

Identity and time

Publication numberOT-2026-000056506 · never reused
Internal UUID01a0ae87-7af4-7e34-96d2-b84446857a96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056506
StatusPUBLIC

Content hashes

Canonical text6f3f4040e5c391d435373968996a1dd99c20968f76f926a475a03c319fe248bd
Markdown5dd7d45c2efd4d47060dcdfbd09a8ffa7f77b5b519bf62eaa4566e21582dcd23
PDF
Publication pageb4f95feddbb93d69c865da8145575518692a460c97495834acbf36d9d1f3a3c4
Manifest38f34a86928d8f4bbaa5587a0a1a25aec4e66b157a60ec2fd9a61664a2b55cdf

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
SignaturewZfW5OnMGPLoWLN6ovEWjE0We9eY5EX3F2NGWFv3o6EgyaWp4kc9RP7kEGTDXlR7T/iyEqnl5GVpCTj1Sr0NDw==
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

2026-09-17T10:49:49.637098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056506
observed b4f95feddbb93d69c865da8145575518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.618489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056506/manifest.json
observed 38f34a86928d8f4bbaa5587a0a1a25ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.599653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056506/publication.md
observed 5dd7d45c2efd4d47060dcdfbd09a8ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.581593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056506/publication.txt
observed 6f3f4040e5c391d435373968996a1dd9...
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.