OpenTechnical

OT-2026-000043296

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000043296) never changes.

Identity and time

Publication numberOT-2026-000043296 · never reused
Internal UUID01a0ae7b-327d-76fc-8f35-0d06c2022aef · 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-2026-000043296
StatusPUBLIC

Content hashes

Canonical text16fec20768b9467994350c2628274fa80eb64c28d813e90afad23aef1b461039
Markdown0065881aab90b7e9a5cd497494dac50e492b91001795376cac314df0a3c901da
PDF
Publication page01473af6e85e7a597390d55a4171f66c9614bf2f64af57a325048f8a72cb7a10
Manifestf860c87eea808405675afe90ea59276a6b77f2d99471c691a479eba3892f1185

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
SignaturegpEXV+skQyKvaMAU/peoIEzmvYcTZ2VbS7ADTDsIebxyuOn3tQLhyluZoG6dpLnWHFNzqYfY65mpUC9YltEeCw==
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

2026-09-17T11:13:47.521018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043296
observed 01473af6e85e7a597390d55a4171f66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.501000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043296/manifest.json
observed f860c87eea808405675afe90ea59276a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.482267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043296/publication.md
observed 0065881aab90b7e9a5cd497494dac50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.464548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043296/publication.txt
observed 16fec20768b9467994350c2628274fa8...
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.