OpenTechnical

OT-2026-000039160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000039160) never changes.

Identity and time

Publication numberOT-2026-000039160 · never reused
Internal UUID01a0ae78-9673-7fbc-b4fc-cb43eb501370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039160
StatusPUBLIC

Content hashes

Canonical text791c702ebb461f3c7fa332276945385f16a1a701c5640cb50896c1d87aceb5ac
Markdownd2e7a2740799545f07823b4f30b10c1b1e3087bb22264a0333970b66b33096d6
PDF
Publication page3dbb67bdf9628ac9c03ddadd4d5461dc4e2ed54a54594fd6a0580a8f50850aca
Manifest6828b85cefc66343993436ccac7b5de92a8f7557c077a84b0725e7ff88b30f83

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
SignatureGaEpAMOzyIQQifcUoN5yrsX39ZH6TTWbDakiFk5I2N8Ox36ooj32UO0kwjD0G9ABNxaW3luemm7sc1xOQrrbDw==
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

2026-09-17T11:20:40.575721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039160
observed 3dbb67bdf9628ac9c03ddadd4d5461dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.555671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039160/manifest.json
observed 6828b85cefc66343993436ccac7b5de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.536615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039160/publication.md
observed d2e7a2740799545f07823b4f30b10c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.518722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039160/publication.txt
observed 791c702ebb461f3c7fa332276945385f...
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.