OpenTechnical

OT-2026-000040308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000040308) never changes.

Identity and time

Publication numberOT-2026-000040308 · never reused
Internal UUID01a0ae79-2700-7542-bc8e-6883f79c1935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040308
StatusPUBLIC

Content hashes

Canonical text64015a87234d2b6cb80fc172c6b71694701941d784443fe6fc1617156c4a0208
Markdown76af389584e6de22b20bbf81b8b1d17a43f912f4d1e0d3cba0ef13de7c62470b
PDF
Publication page6fae2aaab8cd044157cb1e80b654d1febf71a4c6a9c581e977954e238ecef5de
Manifest16f936394228e0f8f30ae385a984995b33f838966c4c030b16a607b6694ecfd5

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/8Xb1MEvsS3Rd0Uc5/ij0nzdqullvnYh3q7sPLbQOVgZDpJZpEtYI1ZK29iDFFXpkSOq4x/wpv8x2JaxVaKcBA==
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

2026-09-17T11:19:18.337019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040308
observed 6fae2aaab8cd044157cb1e80b654d1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.319700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040308/manifest.json
observed 16f936394228e0f8f30ae385a984995b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.300833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040308/publication.md
observed 76af389584e6de22b20bbf81b8b1d17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.281368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040308/publication.txt
observed 64015a87234d2b6cb80fc172c6b71694...
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.