OpenTechnical

OT-2026-000028945

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000028945) never changes.

Identity and time

Publication numberOT-2026-000028945 · never reused
Internal UUID01a0ae73-2a9d-7292-970d-b7a482c3629b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028945
StatusPUBLIC

Content hashes

Canonical text54f85bee1a54132f508d20adde31f3658da4f9c6be33d5b5b4e07c93991c9608
Markdown8858eef1b8773627de62811d6c6a97e9792e835554ce76816f56fffa8fb36454
PDF
Publication page10098db27b3aad350be1f2ea84c905409a66ed758a7b79aacd53eeb1fa72d0bd
Manifestbb5408affb2c24a237b4cdb4777c65df3e8378ec4b17efd076acbda0e3ad784c

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
SignatureMSH9qmpubBaCrg754Diz8H8gLZnH677UuNq1n31YmQ7g5h4GHrrofYmXu4NrsizoqdPEnaE4aWbcWkoSshnNBQ==
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

2026-09-17T08:20:24.687683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028945
observed 10098db27b3aad350be1f2ea84c90540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:24.544622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028945/manifest.json
observed bb5408affb2c24a237b4cdb4777c65df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:24.527562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028945/publication.md
observed 8858eef1b8773627de62811d6c6a97e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:24.506452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028945/publication.txt
observed 54f85bee1a54132f508d20adde31f365...
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.