OpenTechnical

OT-2026-000037553

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000037553) never changes.

Identity and time

Publication numberOT-2026-000037553 · never reused
Internal UUID01a0ae77-b8ce-77bb-bf3e-3c8b5b2a2bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037553
StatusPUBLIC

Content hashes

Canonical text932c0a4832bbeaa339b389abdb8985461b0e41a42a900699341ebc19161d5514
Markdownfbe5e0970378da26ffedd615bfab8cb7a0ed5776f74f136a23590ccc25342902
PDF
Publication page3867b8ac4a6aeb6ad7811a31be894c176b0b41e81fea53fbdae0bbcb08b53afb
Manifest76130411b0f172a70ecdfe74e26eaff2c010f20841ed8483237aefc60a30b7df

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
SignatureK98MP+OESYqNp8WbHEoHBV1/xwlaKt3wJSTM0/d1hIYmVv5Djr04QDZ6Bj1xe78QVfLX985RKE7emeLXQ2XwAg==
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

2026-09-17T11:24:05.753914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037553
observed 3867b8ac4a6aeb6ad7811a31be894c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.735921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037553/manifest.json
observed 76130411b0f172a70ecdfe74e26eaff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.717888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037553/publication.md
observed fbe5e0970378da26ffedd615bfab8cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.699939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037553/publication.txt
observed 932c0a4832bbeaa339b389abdb898546...
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.