OpenTechnical

OT-2026-000099504

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099504) never changes.

Identity and time

Publication numberOT-2026-000099504 · never reused
Internal UUID01a0aea2-c974-76ec-90c0-f3abc7522a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099504
StatusPUBLIC

Content hashes

Canonical texteab74936a8788e0d760ffe3f6d1b70326dc68ee8c6d27fc1440d5986bfb0e98c
Markdown5c9f4e967f4d440536853f579d355a04c704ea7b26c5d7e559275f723beaa61b
PDF
Publication page35f099946120a2117347045f837f30e90d854190db0946138a466fa61066e52d
Manifest8259c43522490ea9720f78cb0f1dd34aeab3f816d347f9e21fb071d961ec6502

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
SignatureiiazUoox2EcL5f9ZB17Mw4GiUjRC31obBvlXln20kdwhGlbq5BfyR6ylypNA+o0wfoLINgIFHiEuB1C+TI83Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:24.044406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099504
observed 35f099946120a2117347045f837f30e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.026303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099504/manifest.json
observed 8259c43522490ea9720f78cb0f1dd34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.006568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099504/publication.md
observed 5c9f4e967f4d440536853f579d355a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.988326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099504/publication.txt
observed eab74936a8788e0d760ffe3f6d1b7032...
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.