OpenTechnical

OT-2026-000040025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040025) never changes.

Identity and time

Publication numberOT-2026-000040025 · never reused
Internal UUID01a0ae79-26fc-7616-958a-657f2b69740e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040025
StatusPUBLIC

Content hashes

Canonical text4fc5f4f2975cd986c0f2ce082673a884bf6e2b5b4db823fdfe84d579ae8d983d
Markdowne120b42a15af29caec246325ef643a4fd305c2ee926b65415656af8a30967f0d
PDF
Publication paged4b5e03624e7f2a9fe4f65aa465b382409b24b8e35b945963f4d885b1f6fbc00
Manifestb91ce17cf961e06d48d93798f6c76f71ef2818c29cbcc72fd550b9fa9672d448

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
SignatureYZsM6DpQanUXsR7coTPT/Fj16X3/OVqHvW5VJh8PVGiWOG+1WtPav7mPwHdBtTpFgOKViQ4hXaLC6T0FVnjKCw==
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

2026-09-17T11:20:33.499617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025
observed d4b5e03624e7f2a9fe4f65aa465b3824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.481777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/manifest.json
observed b91ce17cf961e06d48d93798f6c76f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.464102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/publication.md
observed e120b42a15af29caec246325ef643a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.442984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/publication.txt
observed 4fc5f4f2975cd986c0f2ce082673a884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.485889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025
observed d4b5e03624e7f2a9fe4f65aa465b3824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.467491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/manifest.json
observed b91ce17cf961e06d48d93798f6c76f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.449673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/publication.md
observed e120b42a15af29caec246325ef643a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.432678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040025/publication.txt
observed 4fc5f4f2975cd986c0f2ce082673a884...
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.