OpenTechnical

OT-2026-000058305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000058305) never changes.

Identity and time

Publication numberOT-2026-000058305 · never reused
Internal UUID01a0ae88-f398-71c4-934c-614490a631cb · 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-2026-000058305
StatusPUBLIC

Content hashes

Canonical textbd29ef2703832f08f4d85fdcae65e1732c5f86246eb0332a15a2c9a07e2c4b7a
Markdown1444dba8062cd61443d0956fc653f589d66ff5becc3a339a4a6902727dd8a34b
PDF
Publication pagee7ad23cc656573a6cc6ab05b25dcf67a9af4a36926dac118178c4a4aa24add8d
Manifestaf6ee5c1e7492a5c5511ba5f26b2081246cdd007d82febd4df20c0edc843fd4f

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
SignatureIPqseo7WjV3YvdBmpUEnQjgrmbjhLxBYlgKz/dMC1vOPrCCHwLQCNdWM+BznPv2V+1EEgFWWdX8JUFLvcB9XBw==
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

2026-09-17T10:46:42.346688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058305
observed e7ad23cc656573a6cc6ab05b25dcf67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.328906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058305/manifest.json
observed af6ee5c1e7492a5c5511ba5f26b20812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.311053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058305/publication.md
observed 1444dba8062cd61443d0956fc653f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.292487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058305/publication.txt
observed bd29ef2703832f08f4d85fdcae65e173...
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.