OpenTechnical

OT-2026-000023136

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000023136) never changes.

Identity and time

Publication numberOT-2026-000023136 · never reused
Internal UUID01a0ae70-7266-7eda-a84e-bd8822bb9843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023136
StatusPUBLIC

Content hashes

Canonical text8d6e7d4304ddb21e70f0dfd1750c74de624a237c8e3b00819c75b6d9cff3159f
Markdowna31c7e8c395ae522c55ca7f90604b5022582ed0447536f539e5f56b742c93242
PDF
Publication page4421f2315a21b4390afc98834dd96425d9344a74cc637e26ac7fb9e2152fc7c3
Manifest8dda2c4f6ddbe010c42c7040899f4e5ca38b82469614fb247df26272cab1fe40

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
Signature/ezFGdcYIehMe4dWmq/m82IwL7KauBR6Tu92iKlwjqu+mQ3R5m7pN2cRRbJZ80bwukcYhbWIyKpWe68bn9p/Ag==
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

2026-09-17T11:51:04.138490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023136
observed 4421f2315a21b4390afc98834dd96425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.120064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023136/manifest.json
observed 8dda2c4f6ddbe010c42c7040899f4e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.100897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023136/publication.md
observed a31c7e8c395ae522c55ca7f90604b502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.082458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023136/publication.txt
observed 8d6e7d4304ddb21e70f0dfd1750c74de...
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.