OpenTechnical

OT-2026-000018101

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018101) never changes.

Identity and time

Publication numberOT-2026-000018101 · never reused
Internal UUID01a0ae6e-96fd-7c4f-a7b6-76bf6147ca5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018101
StatusPUBLIC

Content hashes

Canonical text7cfbf031b7373f52cfdd5514975f6be71f46745bc380cbbb5c489e87b2c1fad7
Markdown0c558c3434468c06d598396bd263d2e9c4d9f1411191a4eea7cdca270277a7a7
PDF
Publication paged246ff87d730ff30eaec809e90daf10276d2d5001ee5a6737e67e4bef1defe1d
Manifestafb9af59dda49153a7b77bd3215027770c5bd69a7d2e0d0b2bcdb4765b32c4ad

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
SignatureTR3zrr9EklDOGQDuiR5wEBk1uRgDfR6lFmOYc6ck1vadmOhkuFK1R1+gakjTOTnpHzPQqX+H0eOGYSfLctQ4CA==
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

2026-09-17T12:02:04.059801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018101
observed d246ff87d730ff30eaec809e90daf102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.042350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018101/manifest.json
observed afb9af59dda49153a7b77bd321502777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.024203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018101/publication.md
observed 0c558c3434468c06d598396bd263d2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.003193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018101/publication.txt
observed 7cfbf031b7373f52cfdd5514975f6be7...
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.