OpenTechnical

OT-2026-000103043

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000103043) never changes.

Identity and time

Publication numberOT-2026-000103043 · never reused
Internal UUID01a0aea4-be3d-7182-9e2d-8a35b36b0ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103043
StatusPUBLIC

Content hashes

Canonical text495689ea14d3514dd065660c9c3fca2c69154284880a80b4cc1ddc6ac82b6663
Markdown3a4803dc49c4a65442af9ae61c217162ef4e7594cf68480cc6a395c3a3d7eb32
PDF
Publication paged248c983a9765fd8cef60782149f33b3e45e4f86136d851a525d582cdd2fc2ba
Manifestbb34192d5b594478e27c6e888919381985a7836e1d703803cd994930c5ff0a77

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
Signature/JwED1POwioVSv4dUaBjpr0RiSH8MBLLPRC+TVhqAjQnfb2oxZotlG2/ilrhB5RtxPOrulqfdIM6sqBGVOrZCw==
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

2026-09-17T09:23:10.044578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103043
observed d248c983a9765fd8cef60782149f33b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.026066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103043/manifest.json
observed bb34192d5b594478e27c6e8889193819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.005811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103043/publication.md
observed 3a4803dc49c4a65442af9ae61c217162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.988562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103043/publication.txt
observed 495689ea14d3514dd065660c9c3fca2c...
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.