OpenTechnical

OT-2026-000015202

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000015202) never changes.

Identity and time

Publication numberOT-2026-000015202 · never reused
Internal UUID01a0ae6d-ef48-7040-9c56-b5df0df6fba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015202
StatusPUBLIC

Content hashes

Canonical textc44b2c41ae31e1737ee0359295b9724e3f47e9533cbdc2fc0f05f556f389ec6f
Markdownb59cda05c9f6d2d56b7ef6026a0afaaab5c373ef181c7bb1f0042d8a441c05b8
PDF
Publication page553dd40867227dc79640f727f23e157652d9139452409ab0915f0a63d1665e8f
Manifest16ed54bb47abc62e12567cd74444e6e415149d234c9d58d19ee194a80e78a654

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
SignatureF58kkPd41k6vrUk69zKWBxqr6VikZ7xkdIepyqpHnA5ovSIqdkSHscg5S11+PKUS3XUFaUtck7EUOcGWLF0LCg==
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

2026-09-17T12:05:50.019051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015202
observed 553dd40867227dc79640f727f23e1576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.999509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015202/manifest.json
observed 16ed54bb47abc62e12567cd74444e6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.978348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015202/publication.md
observed b59cda05c9f6d2d56b7ef6026a0afaaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.956754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015202/publication.txt
observed c44b2c41ae31e1737ee0359295b9724e...
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.