OpenTechnical

OT-2026-000043398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000043398) never changes.

Identity and time

Publication numberOT-2026-000043398 · never reused
Internal UUID01a0ae7b-327e-7f28-bfb3-90a84aa5154e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043398
StatusPUBLIC

Content hashes

Canonical textd0b48e6fed782af61af31a1db95536ee3770e957e70cac6c74414ba785ce48d0
Markdowne67e4da921129c5bb2a9baa5cc981e57f97c3fa1cb6954f0ac909da997f0fa74
PDF
Publication page4891728dbef31c75a779d4aa93b0a1e83f8506cc5c22a70afc572f9fc6b39a8a
Manifestc9da82df66c7ec6a409523b0beb9f7bfe720904dcc17d8999ea6704e8b365503

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
SignatureIHZ+VFQo3PM+c266/9qQpqW6hZXUgF0Or1V9qHnhlHhItr6cBzfmwaH7icR94XLZ22GDGod2D1KM83nt/7+lCA==
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

2026-09-17T11:13:56.004162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043398
observed 4891728dbef31c75a779d4aa93b0a1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.984970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043398/manifest.json
observed c9da82df66c7ec6a409523b0beb9f7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.967090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043398/publication.md
observed e67e4da921129c5bb2a9baa5cc981e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.948635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043398/publication.txt
observed d0b48e6fed782af61af31a1db95536ee...
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.