OpenTechnical

OT-2026-000071953

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000071953) never changes.

Identity and time

Publication numberOT-2026-000071953 · never reused
Internal UUID01a0ae92-47c0-720c-b1e0-d42c890f6008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071953
StatusPUBLIC

Content hashes

Canonical text84af57d379737d5f019d2ab59d4f43db9dd872dc7a1a529046c2d16ec6af83a6
Markdownd1c4e6088a205f9178982c14891e7abf2c5033c81d213db618610974f84c5e58
PDF
Publication pagea3f9449cb8fe9015598b16e58a59e4b18b045af11514b2e7cbd3bc4c17553bb1
Manifest89074ec30a27038209278d7f1ad8d9f7f9521b703c0fd0d5ffda0d1384169562

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
Signaturei07nMEPhvg5FZwMKb+M0zbdpyli/UebUIObop42nrgDh+tyGAkIAF7VPXe+YrqtjP1awc7QLLGIzxmk+iw/zCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:59.455780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071953
observed a3f9449cb8fe9015598b16e58a59e4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.438152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071953/manifest.json
observed 89074ec30a27038209278d7f1ad8d9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.421765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071953/publication.md
observed d1c4e6088a205f9178982c14891e7abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.404393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071953/publication.txt
observed 84af57d379737d5f019d2ab59d4f43db...
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.