OpenTechnical

OT-2026-000025280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000025280) never changes.

Identity and time

Publication numberOT-2026-000025280 · never reused
Internal UUID01a0ae71-5fa6-7f84-8d17-e555659283cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025280
StatusPUBLIC

Content hashes

Canonical text26dd51ec5c6a536504a0c69bf98295c67631432531d857075ccc6126f817947f
Markdown45c8c1308bb43eb95670a536881eb807c8e8ffe7afca432d7b5c7dca00bdec97
PDF
Publication page912cc173f63a3002a506b7231ff7f570bac29e27b050043af806c5488345f6c0
Manifeste13580c96cdb7fa1039f0751fcfd7c302a9a0b0af268c75d44974f67f3bff835

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
SignatureHZz51lCmLrhSYjkOGc1VPGVHINcP3PH16Qq2EV0gz1cu/l7/CJjIpIQZIPXCf64GBdr/6wkdCJtFEqKLPTcaCg==
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

2026-09-17T11:47:17.453731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025280
observed 912cc173f63a3002a506b7231ff7f570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.434390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025280/manifest.json
observed e13580c96cdb7fa1039f0751fcfd7c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.415817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025280/publication.md
observed 45c8c1308bb43eb95670a536881eb807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.399903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025280/publication.txt
observed 26dd51ec5c6a536504a0c69bf98295c6...
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.