OpenTechnical

OT-2026-000037932

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000037932) never changes.

Identity and time

Publication numberOT-2026-000037932 · never reused
Internal UUID01a0ae77-f88a-7aac-b716-ddb6cd2e53bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037932
StatusPUBLIC

Content hashes

Canonical text37621ed5683139f38289d123c17c2bb4b31926b22b3ea094516a5011ae8a0e5f
Markdown72f69af0e9b3b8e057d7abe0d8f30c8ef475f76d2e7dc55a6fb1e1289304994d
PDF
Publication pagec2e5d4bb1e5201c90f6518c202ce8c92d72230020f3388455d18a791ebaa50f7
Manifestdcdec9104ebaa790725b124f226ef4a6ded32bcb6e96fb179cda914fc73d4987

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
Signatureijnz+KX44PITnrV9GLjludN8v/m0FyEDtNC41/yUTo7GSMnrXW6il+FIg8NutVgkSLyLKZVZRBTkmfOoSUVjBw==
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

2026-09-17T11:23:12.834177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037932
observed c2e5d4bb1e5201c90f6518c202ce8c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.815465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037932/manifest.json
observed dcdec9104ebaa790725b124f226ef4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.797096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037932/publication.md
observed 72f69af0e9b3b8e057d7abe0d8f30c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.779096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037932/publication.txt
observed 37621ed5683139f38289d123c17c2bb4...
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.