OpenTechnical

OT-2026-000056907

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000056907) never changes.

Identity and time

Publication numberOT-2026-000056907 · never reused
Internal UUID01a0ae87-7af8-7f08-a8f1-272933c1f884 · 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-2026-000056907
StatusPUBLIC

Content hashes

Canonical textbd194cf3a0a460da4913ccbb3a2b5e0d5c1cd9f5ff372566ac2ddf9fdd8a80b1
Markdown771f82431ffa8cadf27c3d0ebe4f6994b7eaa8c192553da48cb593cc2dad1e18
PDF
Publication page9ead88e45c3c416f9a497c1ea4d0ae065eea99e7fad8d1fe19eca4d3ab6f1a3a
Manifestc7039e18d98df360c6e046388ec3d0fd800146d1bf439791ea65f7ec3d8a2c86

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
Signaturej/TqvnxA/y7aQe1NqTTDHkZHkRgvimTt4CokNwNreH00wUoetBT8DjMrCfttuO+Sg07SiYebKwpCjoBbXj1+Ag==
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

2026-09-17T10:50:26.958907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056907
observed 9ead88e45c3c416f9a497c1ea4d0ae06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.940272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056907/manifest.json
observed c7039e18d98df360c6e046388ec3d0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.922095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056907/publication.md
observed 771f82431ffa8cadf27c3d0ebe4f6994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.904965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056907/publication.txt
observed bd194cf3a0a460da4913ccbb3a2b5e0d...
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.