OpenTechnical

OT-2026-000058439

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000058439) never changes.

Identity and time

Publication numberOT-2026-000058439 · never reused
Internal UUID01a0ae88-f39a-7762-8772-9e58794294f9 · 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-2026-000058439
StatusPUBLIC

Content hashes

Canonical textb26742412c85109b0e6673f97b165554d343ed20b727635d583c394c757fe648
Markdown1b7d0422bf4873b0e9a2476ff8b86622f05d296f4f2ad77426750808ec06b3d2
PDF
Publication page3006d087dad33869657fb256dc7b292f89eb98999653ac1382421ef0cb8f075e
Manifest86f9235a5f00b78e3f4b6f39036b9c90a7493e88397a1a10b2d3056aea91a83c

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
SignatureUffZyY3RG1NTa5/lT6r1AQyIaOF2oeIhYT+ZrOouDzttSFwstEj7v+p00HFVeR9BAWiu/U0+K65KS4SMSgi+CQ==
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

2026-09-17T10:46:52.955203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058439
observed 3006d087dad33869657fb256dc7b292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.936962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058439/manifest.json
observed 86f9235a5f00b78e3f4b6f39036b9c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.919749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058439/publication.md
observed 1b7d0422bf4873b0e9a2476ff8b86622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.903657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058439/publication.txt
observed b26742412c85109b0e6673f97b165554...
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.