OpenTechnical

OT-2026-000049156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000049156) never changes.

Identity and time

Publication numberOT-2026-000049156 · never reused
Internal UUID01a0ae81-134e-7817-a4ab-fc44af330753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049156
StatusPUBLIC

Content hashes

Canonical textd8a57782ea01b453c1dea59954dc95befc1a2739944cc454d80ee0439b89e6fd
Markdownf944d42d5d1ff5209fd9eaa4392bedeb16c8b2967a0dfb08503c32441ef7fd37
PDF
Publication page6a6f693326b0f1037c0c597ce1ce0e3554280e44e93439629fa14aeb30b1f126
Manifest0249244ec5f3cb9253a66be8e66fb4049842430265497323ad1187ff66da31c5

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
SignatureoKWTACAEawcd1JNEiUtL9mzOBOc7Mqw1x8UnFy/1Ij/n4x95pkhuk/A8bB3zm7astSD3DyFZplY4+I3IjFnxCw==
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

2026-09-17T11:03:57.012422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049156
observed 6a6f693326b0f1037c0c597ce1ce0e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.995518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049156/manifest.json
observed 0249244ec5f3cb9253a66be8e66fb404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.977434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049156/publication.md
observed f944d42d5d1ff5209fd9eaa4392bedeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.957364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049156/publication.txt
observed d8a57782ea01b453c1dea59954dc95be...
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.