OpenTechnical

OT-2026-000058659

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000058659) never changes.

Identity and time

Publication numberOT-2026-000058659 · never reused
Internal UUID01a0ae88-f39d-73be-bbd9-3ed96d0f8edb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058659
StatusPUBLIC

Content hashes

Canonical text3f8a9da1615f1dcb99568daf26c5bd3cca43f93b332881103afd26084b5e22a5
Markdown7e5ec81f6994e05f389a2d83b88123dd11d24d703804195128de1b0ed73b72e4
PDF
Publication page3092b89912661ec9503050379552e6ff7a1c0fb88443aa2f107ec5886c8e43e1
Manifest4f6b32718972d757fd10f68285bb15bd948427f7ec4abcd7bf528541449fd520

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
SignatureP3GVVuZbiVJOoRkqlN5HmGrpMYn/mtuySH3QNgDI5M2BdOnxmyU9PJN0GmNNdVtTjjJZ5I5qNgztoaURfSjSCg==
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

2026-09-17T10:47:10.458788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058659
observed 3092b89912661ec9503050379552e6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.438490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058659/manifest.json
observed 4f6b32718972d757fd10f68285bb15bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.420657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058659/publication.md
observed 7e5ec81f6994e05f389a2d83b88123dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.401449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058659/publication.txt
observed 3f8a9da1615f1dcb99568daf26c5bd3c...
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.