OpenTechnical

OT-2026-000060520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000060520) never changes.

Identity and time

Publication numberOT-2026-000060520 · never reused
Internal UUID01a0ae8a-b7cc-7110-9ab2-4cd232ebe512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060520
StatusPUBLIC

Content hashes

Canonical text8d9ee7f120424af8fae9326842ee5e61c4ac5453b2b78cf41f9893bb1ca34370
Markdown7fec4711c42b1a7410345e16cf747af48ab18133f9357eba3ca347553550af15
PDF
Publication pagefbdc85d8fd15cee71335157c5f58e53ffbf174efba278332d2bebe7006ba4636
Manifesta23cf98439c760b64628eac0c9c8b8c18389adfecaeac0671823bf80fb035db7

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
SignaturefxxjLp8WBd+Liti5pCmgEzI+byHYhdGnH4DOppQNAgoGvpnqC4XEvQCzC1Sfn6uzKD4PmtRfaqV/TQmvUi1IAw==
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

2026-09-17T10:43:07.402604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060520
observed fbdc85d8fd15cee71335157c5f58e53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.385587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060520/manifest.json
observed a23cf98439c760b64628eac0c9c8b8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.368498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060520/publication.md
observed 7fec4711c42b1a7410345e16cf747af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.349630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060520/publication.txt
observed 8d9ee7f120424af8fae9326842ee5e61...
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.