OpenTechnical

OT-2026-000029148

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000029148) never changes.

Identity and time

Publication numberOT-2026-000029148 · never reused
Internal UUID01a0ae73-2aa0-7b0f-b04e-921e691ad7d3 · 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-2026-000029148
StatusPUBLIC

Content hashes

Canonical text01247181d72655f7c7cdadfa0222749127301649bd567eebf52978fd9c1da6b4
Markdown83efa1ac4e9519854ca94d1b77136841d18b9b433ada58fc49613f7e387849ef
PDF
Publication page074ba84e0f97c7a5becc52e0becef486354d7952083923282331f597d67c0991
Manifest5fce20b05b25ba3e99cdc743fdc21c4153003af7cd08d241420155c8bc06fdd5

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
Signature1VNUfc+d6/4qFHEu+UDHJmH6zvuv3kz+0a2y+yFcmeGoJw59uwz+4I9R91fJA8FMKoCL6j+fcMAdOBRcUzmqCg==
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

2026-09-17T11:39:38.312228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029148
observed 074ba84e0f97c7a5becc52e0becef486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.294023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029148/manifest.json
observed 5fce20b05b25ba3e99cdc743fdc21c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.272718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029148/publication.md
observed 83efa1ac4e9519854ca94d1b77136841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.251560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029148/publication.txt
observed 01247181d72655f7c7cdadfa02227491...
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.