OpenTechnical

OT-2026-000047732

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047732) never changes.

Identity and time

Publication numberOT-2026-000047732 · never reused
Internal UUID01a0ae7f-c41f-7475-82ef-69755f6ff522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047732
StatusPUBLIC

Content hashes

Canonical textd4a74bd757d2bf837193188c9ecbc307d9925079daabb807937ff7388e6c08aa
Markdown71e768c37d8474a15771de35b1c3a8c513e8de5ed0fcbb38be0a0592c55757c4
PDF
Publication pagebdfb4b079ea80070af9c1f7015fba815ee949826635c069864d2a4841f22d028
Manifesta8bbfcf9631411a768da3a1cb00f8f44cfb64ea25ea876ac188ce8f3ce5173ba

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
SignatureApUnjTeMJWZK8fctFnrGRPGsZ5Jd2c/7HL9Y3VCT6GYXyVvCb4F0tXTm5FtFplJwKKCqetwb6XhhkrSZBWM7Bw==
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

2026-09-17T11:05:36.323126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047732
observed bdfb4b079ea80070af9c1f7015fba815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.305872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047732/manifest.json
observed a8bbfcf9631411a768da3a1cb00f8f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.286876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047732/publication.md
observed 71e768c37d8474a15771de35b1c3a8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.268144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047732/publication.txt
observed d4a74bd757d2bf837193188c9ecbc307...
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.