OpenTechnical

OT-2026-000043251

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043251) never changes.

Identity and time

Publication numberOT-2026-000043251 · never reused
Internal UUID01a0ae7b-327d-7c4f-b708-62b3ac86cf15 · 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-2026-000043251
StatusPUBLIC

Content hashes

Canonical textd371b2010eb26323c7cb829fb6c16e2366c5300af9c36022b3d00a792d019ada
Markdown4e883f6ae60ac803c32822d01104bb730cd36daf3f38ebaf3da62fba82df6937
PDF
Publication page172a6d926f37b634d0b82f5d481974d6aa8f8dcbcb671bef025a5fbacaff20fa
Manifesta6a339684f52d56bce03ac63150680824360723e1b83f5eeb1647995181f2b2e

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
SignaturemlRVycqpPzDHF3+ng8mzmCFQE/Jb63E5mGfr9MNgJfV1YXbt2V9KcqCsFUESwLNQYTxsIL9phvq9b+abdd97Dg==
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

2026-09-17T11:13:43.822844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043251
observed 172a6d926f37b634d0b82f5d481974d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.804560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043251/manifest.json
observed a6a339684f52d56bce03ac6315068082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.784587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043251/publication.md
observed 4e883f6ae60ac803c32822d01104bb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.763378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043251/publication.txt
observed d371b2010eb26323c7cb829fb6c16e23...
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.