OpenTechnical

OT-2026-000015563

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000015563) never changes.

Identity and time

Publication numberOT-2026-000015563 · never reused
Internal UUID01a0ae6d-ef4b-7467-8260-0c08ac865ef8 · 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-2026-000015563
StatusPUBLIC

Content hashes

Canonical text2650c9ce54f5c2012fec4292c1395abf81d6083275e6d4fe7d9a77b531843895
Markdowne6ea21e069567ba9358bf14b88fd56347f7ad7ccc7923a6be28fafd0c1667f01
PDF
Publication page12b169858ceb35c4c08701702d7ca97bf8bd788754472d5f450e092992ca5982
Manifestb9fea4adc8e4ae56ff676e98c7f13e3a97c5bee188d8c585b615f21c2467e7d1

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
SignatureV7SQmqExJjwr7k47mrmnBgMYfC79yJuPnt27oqHZ9BfeZtEXiUk6Zrk0DninWVxtPl9gRcHxmw7DDG2VJpnjCQ==
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

2026-09-17T12:06:21.166073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015563
observed 12b169858ceb35c4c08701702d7ca97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.146646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015563/manifest.json
observed b9fea4adc8e4ae56ff676e98c7f13e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.127117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015563/publication.md
observed e6ea21e069567ba9358bf14b88fd5634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.106660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015563/publication.txt
observed 2650c9ce54f5c2012fec4292c1395abf...
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.