OpenTechnical

OT-2026-000058921

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000058921) never changes.

Identity and time

Publication numberOT-2026-000058921 · never reused
Internal UUID01a0ae89-479f-78cb-b829-01669fa091cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058921
StatusPUBLIC

Content hashes

Canonical text18619d50d1cdebf916a3f0c0e39e88feb7fd16c8d29bf9d16c22faac9e090bd6
Markdown28c1a2d6d3c3f2db0cf044ae64dc4a85da6369471bec39912bb1127e69b84ff9
PDF
Publication page573b68c3655aa0c772fc2e63b1a34b7faa6ba5567aa618aa5286b36b5a278c08
Manifest01219b2db8db3ca6dd6609455aaa52af0f1f4a2c90bd373f2868c9c7c8657f6e

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
SignatureOf4H+pu9fSTL2eGBozeIwwtsf6hVlV7effyoYmwwnVST5ZtI3WLL2uhkqGVZOutEbpKLHdGxRS/yIZ7j38HECA==
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

2026-09-17T10:46:28.622040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058921
observed 573b68c3655aa0c772fc2e63b1a34b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.605073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058921/manifest.json
observed 01219b2db8db3ca6dd6609455aaa52af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.587142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058921/publication.md
observed 28c1a2d6d3c3f2db0cf044ae64dc4a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.568481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058921/publication.txt
observed 18619d50d1cdebf916a3f0c0e39e88fe...
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.