OpenTechnical

OT-2026-000061816

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061816) never changes.

Identity and time

Publication numberOT-2026-000061816 · never reused
Internal UUID01a0ae8b-b8ac-728c-8684-e618036d85ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061816
StatusPUBLIC

Content hashes

Canonical text3b4e94348611633e418cfd3145c32f977bd42cc771e932d4e3f2ae2054685c64
Markdowne224d466945c4db2a0c5e7a45ec09ad2b6a4729dc7cb797ecc3558977bc134e3
PDF
Publication page9de4983c8ef8384bea94b25f406f56a9a26defda4e7bb4ff1b60e437e0cede0e
Manifest8832c4b827ecbf7708732c2e4f0d804b964a21d7262fa4c3e969e30d603ebf7e

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
SignatureAtQtGV2BYZj3rl2GZrU9PGvxSqxotSHFtTVK81YzI+RShGsOf7lFGoteNCp5wWSlI95bQickmXPqVj0SXCClDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:32.875481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061816
observed 9de4983c8ef8384bea94b25f406f56a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.854451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061816/manifest.json
observed 8832c4b827ecbf7708732c2e4f0d804b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.834826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061816/publication.md
observed e224d466945c4db2a0c5e7a45ec09ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.811037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061816/publication.txt
observed 3b4e94348611633e418cfd3145c32f97...
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.