OpenTechnical

OT-2026-000026273

Publication integrity record

Four cup vacuum gripper, four 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-2026-000026273) never changes.

Identity and time

Publication numberOT-2026-000026273 · never reused
Internal UUID01a0ae71-f4a6-76b0-92b1-39075f041688 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026273
StatusPUBLIC

Content hashes

Canonical text2660505e29d061903e8c83450814bd69d8d50adc657f47e19956c4a21552ba07
Markdownffb1fe623f5c69293f07b5aaff79c8d42ffa2cf63b40205e8b835b347c0876f4
PDF
Publication page679eb1f4272a6e831f884269762bb477db985781f7561f367e6c71907e39eb8a
Manifestb3a6902fe593e22256c7884187590858b4d4d15229160035bceffff18bf6b119

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
Signature6hLW+tQF6nLqpI5v7mv4wXTgkg2wQuCtSLVgAI3QkicA9WjnjthfDO9cjQQ9zM7gk3d0RdZokTkKiMopOf4rAA==
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

2026-09-17T11:44:13.152514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026273
observed 679eb1f4272a6e831f884269762bb477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.134784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026273/manifest.json
observed b3a6902fe593e22256c7884187590858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.117932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026273/publication.md
observed ffb1fe623f5c69293f07b5aaff79c8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.101807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026273/publication.txt
observed 2660505e29d061903e8c83450814bd69...
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.