OpenTechnical

OT-2026-000013578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000013578) never changes.

Identity and time

Publication numberOT-2026-000013578 · never reused
Internal UUID01a0ae6d-6fcb-7a81-92a7-c34ebb53980b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013578
StatusPUBLIC

Content hashes

Canonical text2ad4ccc8687e769f2a4b58c49ca61be4be412b6303c323d53f81a276c6e14478
Markdownda45e7a6ec2c08afab091818874cbc11f7e2b6ff3db6d2eb02e1e7d65b5f3db5
PDF
Publication page4df691530520a25bcf9d5355b6604ea2d6f6af60dd2f221b39cfeece4ca1c087
Manifest8049a2b4938d6cbfc7521d9f9261c9752e1951bf24066f5bb67455941b0dbd4d

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
SignatureUT92ObP+T0nlynVprjRzFuSalJtbTXKe2wgyWZwimnfeiZCtR9YdQo02vWAQZioX1CkCLT80EMHB0eaYXoRxBg==
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

2026-09-17T12:10:07.508776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013578
observed 4df691530520a25bcf9d5355b6604ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.488591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013578/manifest.json
observed 8049a2b4938d6cbfc7521d9f9261c975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.470393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013578/publication.md
observed da45e7a6ec2c08afab091818874cbc11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.453755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013578/publication.txt
observed 2ad4ccc8687e769f2a4b58c49ca61be4...
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.